Work Energy and Power class 11 Physics - One Shot | CBSE NCERT JEE NEET

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Timestamps:
0:00 Introduction
0:38 Work,Energy & Power
2:49 Scalar Product
11:55 Definition of Work
13:22 Work:Examples
14:24 Work done =0:Examples
15:24 Positive and Negative Work
17:49 Work done:Force -Displacement graphs
20:01 Problem 1
24:01 Kinetic Energy
27:39 Work-Energy Theorem
28:12 Work done by a variable force
29:30 Potential Energy
35:59 Potential Energy: Relation Force & Work done
37:59 Conservative & Non-Conservative forces
38:59 Conservation of Mechanical energy
46:40 Plot of Fs Vs. Displacement
49:52 Work done in a spring
54:26 Conservation of Mechanical energy in a spring
57:54 Energy vs. Displacement plot for a spring
59:22 Problem 1
1:00:23 Problem 2
1:02:27 Forms of energy & Interconversions
1:04:14 Conservation of energy
1:04:41 Power
1:06:13 Average & Instantaneous Power
1:09:35 Power
1:10:25 Problem 1
1:12:59 Problem 2
1:16:07 What is collision
1:16:44 Momentum & Energy conservation in collision
1:17:24 Types of collision
1:20:10 Collision in 1 Dimension:Inelastic collision
1:24:18 Collision in 1 Dimension:Elastic collision
1:31:02 Elastic collision
1:32:08 Collision in 2 Dimension
1:36:49 Problem 1
In this video we will cover:
1. What is the work that must be done to stop a lorry of mass 4000kg moving at a velocity of 54km/hr in 2 seconds?
2. A body of mass 20 kg is moving with a constant velocity of 100m/s at a height 200m above the ground. Calculate its total energy.
3.A body of mass 200kg is projected vertically upwards with a velocity of 300m/s. Assuming that all its kinetic energy is converted into potential energy, Calculate the maximum height reached by it.
4.A crane with a 10kW engine lifts a load at a constant velocity of 60m/min. What is the mass of the load? Assume 100% efficiency for the crane’s engine.
5.A car of mass 3 * 103 kg travelling at 36 km/hr is brought to rest at a distance of 100m. Calculate the power required to do so.
6.A cart is moving over a horizontal surface at a velocity of 50 cm/sec. It is hit by another cart which is moving in the same direction at a velocity of 150cm/s. After collision the carts continue to move in the same direction at the same velocity of 100 cm/s. Find the ratio of the masses of the carts.
7.NCERT solutions class 11 physics Work,Power and Energy
8.NCERT notes class 11 physics Work,Power & Energy
9.Class 11 physics Work, Power & Energy
LearnoHub.comm (formerly called ExamFear Education) is a Free Education platform with more than 6000 videos on Physics, Chemistry, Maths, Biology, English, Science experiments, tips & tricks and motivational videos for Classes 6 to 12.
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Roshni Mukherjee, the Founder-Educator at LearnoHub has been building this free learning platform since 2011. She has been recognised as one of the 100 Women Achievers of India by the Ministry of Women & Child Development and felicitated by the President of India in 2016. Roshni has been invited by Google to speak at Global Education Symposium 2017 held at Google Headquarters, California. Limca Book of Records also recognized our work.
Watch Roshni's Tedx Talk to know more about her journey: www.youtube.com/watch?v=v2sW_...
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Пікірлер: 2 900

  • @kandarpmojidara6792
    @kandarpmojidara67923 жыл бұрын

    Physics Wallah is Love And Learnohub is need

  • @sophia1827

    @sophia1827

    3 жыл бұрын

    Absolutely correct✅✅

  • @nikitagurnani4186

    @nikitagurnani4186

    3 жыл бұрын

    Same

  • @tarasankarupadhyay1984

    @tarasankarupadhyay1984

    2 жыл бұрын

    Exactly.......

  • @Climaxjest_YT

    @Climaxjest_YT

    2 жыл бұрын

    Op bhai

  • @manujaiswal6026

    @manujaiswal6026

    2 жыл бұрын

    And this is indeed...

  • @H_Edits_Everything
    @H_Edits_Everything3 жыл бұрын

    These lectures will also be helpfull to her daughter when she will be in high school 😀😂

  • @kkartbox

    @kkartbox

    3 жыл бұрын

    🙄🙄🙄this is of 11

  • @huzaifabharmal9515

    @huzaifabharmal9515

    3 жыл бұрын

    Kya kuch bhi 🙄😒🧐

  • @captainbittu4314

    @captainbittu4314

    3 жыл бұрын

    Mam ki betu ko koi aur subject Lena ho to?

  • @arpitaharpawat4814

    @arpitaharpawat4814

    3 жыл бұрын

    @@sharad7340 😂

  • @shreyanshikhare3274

    @shreyanshikhare3274

    3 жыл бұрын

    @@devaswani3506 is video me bhi to dikhaya hai mam ne apni beti ko

  • @rohansingh9195
    @rohansingh91952 жыл бұрын

    Timestamps: 0:00 Introduction 0:38 Work,Energy & Power 2:49 Scalar Product 11:55 Definition of Work 13:22 Work:Examples 14:24 Work done =0:Examples 15:24 Positive and Negative Work 17:49 Work done:Force -Displacement graphs 20:01 Problem 1 24:01 Kinetic Energy 27:39 Work-Energy Theorem 28:12 Work done by a variable force 29:30 Potential Energy 35:59 Potential Energy: Relation Force & Work done 37:59 Conservative & Non-Conservative forces 38:59 Conservation of Mechanical energy 46:40 Plot of Fs Vs. Displacement 49:52 Work done in a spring 54:26 Conservation of Mechanical energy in a spring 57:54 Energy vs. Displacement plot for a spring 59:22 Problem 1 1:00:23 Problem 2 1:02:27 Forms of energy & Interconversions 1:04:14 Conservation of energy 1:04:41 Power 1:06:13 Average & Instantaneous Power 1:09:35 Power 1:10:25 Problem 1 1:12:59 Problem 2 1:16:07 What is collision 1:16:44 Momentum & Energy conservation in collision 1:17:24 Types of collision 1:20:10 Collision in 1 Dimension:Inelastic collision 1:24:18 Collision in 1 Dimension:Elastic collision 1:31:02 Elastic collision 1:32:08 Collision in 2 Dimension 1:36:49 Problem 1 thank me later

  • @parthkute34

    @parthkute34

    Жыл бұрын

    what to thank you buddy , you copied all of them from des.

  • @shwetasaw2175

    @shwetasaw2175

    Жыл бұрын

    Good job 👌👍

  • @KrishnaGupta-rt7cf

    @KrishnaGupta-rt7cf

    Жыл бұрын

    Already given by mam in video 😂

  • @Mr.HandSomeBoi

    @Mr.HandSomeBoi

    Жыл бұрын

    1:09:54

  • @d_nazmeens

    @d_nazmeens

    Жыл бұрын

    Thank bruhh🙌🙌

  • @j.kandari1840
    @j.kandari18402 жыл бұрын

    I don't know why such quality teachers are not there in every school. Perfect Explanation

  • @fossilfuel

    @fossilfuel

    2 жыл бұрын

    Do you make notes when raushni mam teach?

  • @j.kandari1840

    @j.kandari1840

    2 жыл бұрын

    @@fossilfuel yes sometimes do you?

  • @j.kandari1840

    @j.kandari1840

    2 жыл бұрын

    @@fossilfuel btw your name is kinda fuuny lol

  • @yashkumarsingh7800

    @yashkumarsingh7800

    2 жыл бұрын

    @@fossilfuel and when you guys complete it send it to me Lmao

  • @yashkumarsingh7800

    @yashkumarsingh7800

    2 жыл бұрын

    @@fossilfuel absolutely

  • @apkapadosi3151
    @apkapadosi31513 жыл бұрын

    Truly one of the most organised educational channels. Proper website, proper editing, proper concepts. Best. Studying from exam fear since class 8th.

  • @lishuu_1651

    @lishuu_1651

    2 жыл бұрын

    So truee🤝

  • @maulik_yt

    @maulik_yt

    2 жыл бұрын

    @@lishuu_1651 yes

  • @scary34

    @scary34

    2 жыл бұрын

    proper editing that's the main point that we don't get in most of the educational videos

  • @kaash5694

    @kaash5694

    2 жыл бұрын

    Feel of Heaven before 10 days of exam 😂

  • @ultronic2765

    @ultronic2765

    2 жыл бұрын

    @@scary34 exactly. can you imagine if any of these teaching channels start using CGI and graphics to explain processes instead of just plain writing and drawing? It would be amazing.

  • @iiishiiita
    @iiishiiita3 жыл бұрын

    The most considerable videos one day before exam are found on this channel. Thank you so much

  • @HardroidPlayz

    @HardroidPlayz

    3 жыл бұрын

    Bro there is my exam and i have just completed 8 chapters of physics Now how can i prepare imp chapters and how can i prepare best for exams 🙄🙏

  • @clearallconceptofbiology

    @clearallconceptofbiology

    3 жыл бұрын

    kzread.info/dash/bejne/ZW2o0bdqacvAnJs.html

  • @DragonCityCreation

    @DragonCityCreation

    Жыл бұрын

    Ma'am you give the wrong value of V1 and V2 why, hello friends notice on value of V1 and v2

  • @Harsh_Shorts7
    @Harsh_Shorts72 жыл бұрын

    Really concepts hua crystal clear 🤗🤗🤗🤗🤗

  • @amoghhkulkarni
    @amoghhkulkarni2 жыл бұрын

    the dedication we give >> , my exam starts at 2pm and its 11am now, im currently in library listening to this lecture !

  • @riyaz_boy.

    @riyaz_boy.

    Жыл бұрын

    Are you still in library

  • @amoghhkulkarni

    @amoghhkulkarni

    Жыл бұрын

    @@riyaz_boy. dood I finished 12th too

  • @Ram_krish

    @Ram_krish

    Жыл бұрын

    @@riyaz_boy. You thought he'd be sitting in a library for over a year 😂

  • @riyaz_boy.

    @riyaz_boy.

    Жыл бұрын

    @@Ram_krish just a joke

  • @anirudhdadhich

    @anirudhdadhich

    Жыл бұрын

    dude are you still in library????

  • @gaminghub6788
    @gaminghub67883 жыл бұрын

    Day after tommorow is my physics paper...I am searching for one shot video and randomly I opened her video...and now I am trying to go outside and play but my soul said sit and study her all one shot videos of class 11th....THANKS MAM FOR MAKING SO MUCH EFFORT....

  • @HardroidPlayz

    @HardroidPlayz

    3 жыл бұрын

    Bro there is my exam and i have just completed 8 chapters of physics Now how can i prepare imp chapters and how can i prepare best for exams 🙄🙏

  • @ziyazahid5480

    @ziyazahid5480

    3 жыл бұрын

    Same here

  • @ahemadkunjada666

    @ahemadkunjada666

    3 жыл бұрын

    Your soul or your mind???😅

  • @amoghsrivastava1437

    @amoghsrivastava1437

    2 жыл бұрын

    @@ahemadkunjada666 😅

  • @vedavrathmandala7458

    @vedavrathmandala7458

    2 жыл бұрын

    CODM

  • @shreyanshigadekar953
    @shreyanshigadekar9532 жыл бұрын

    She teached complete class 11th physics chemistry maths❤️ best example of multitalented❣️❣️❣️❣️❣️

  • @somethingunique8212
    @somethingunique8212 Жыл бұрын

    I am a hosteler,where electronic gadgets are not allowed ,that's why I am covering the syllabus in my vacation . Really ma'am, you explain in a very excellent manner .and I WANT TO SAY CONCEP HUA CRYSTAL CLEAR.☺️☺️

  • @rishikeshkumar7596

    @rishikeshkumar7596

    10 ай бұрын

    Also me

  • @sudhaasokan4125
    @sudhaasokan41253 жыл бұрын

    Mam ur lectures are truly amazing 😊 A kind request Mam , can u make a video of integration and differentiation Mam. Please 😇

  • @ucrahulfreefire

    @ucrahulfreefire

    2 жыл бұрын

    Bro it,s not allowed to share your video link in another creater

  • @Kushagra_Sharma.

    @Kushagra_Sharma.

    2 жыл бұрын

    @@ucrahulfreefire yes bro....u are right

  • @Creativity_with_mee

    @Creativity_with_mee

    Жыл бұрын

    Yes !

  • @aviralgusain3809

    @aviralgusain3809

    Жыл бұрын

    @@ucrahulfreefire kisne ki ? Link share or khaa per

  • @apunkaadda07
    @apunkaadda073 жыл бұрын

    Crystal clear mam, thanks for teaching

  • @kprakruti2237
    @kprakruti22372 жыл бұрын

    I do not write any comments usually but your effort and dedication is just mind blowing, roshni maam. if i become something great in near future, I promise I'll never forget your part in my success. :)

  • @vibhaagrawal4298
    @vibhaagrawal4298 Жыл бұрын

    Tomorrow is my exam and I am learning this chapter now for first time 😃

  • @missnightmare.

    @missnightmare.

    Жыл бұрын

    Lol same UT to nhi hai?☠️☠️

  • @sakshimishra3143

    @sakshimishra3143

    Жыл бұрын

    Mera kal.test u

  • @riyatiwari7432

    @riyatiwari7432

    Жыл бұрын

    Same here🥲✌️

  • @aksharagupta9538

    @aksharagupta9538

    Жыл бұрын

    ye proud hone wali baat thi?

  • @shrish19

    @shrish19

    Жыл бұрын

    RIP in Advance..........

  • @anchikapurwar5916
    @anchikapurwar59162 жыл бұрын

    Physics felt too easy first time... The way you teach every concept with basic and with why, how ,every basic explanation.... It becomes crystal clear

  • @DragonCityCreation

    @DragonCityCreation

    Жыл бұрын

    Ma'am you give the wrong value of V1 and V2 why, hello friends notice on value of V1 and v2

  • @Rohitkumargupta007

    @Rohitkumargupta007

    9 ай бұрын

    Hii

  • @arunndarunnd2228
    @arunndarunnd22283 жыл бұрын

    All the best for students like me having exams in 2days 😅😅

  • @rahulpataskar2222

    @rahulpataskar2222

    2 жыл бұрын

    Same 😔

  • @Thats_why_Pragya2008

    @Thats_why_Pragya2008

    5 ай бұрын

    All the besss gyzzz...!

  • @darkwizard5943
    @darkwizard59433 жыл бұрын

    Through your practical examples it becomes very easy to understand :D

  • @crazylog3219

    @crazylog3219

    2 жыл бұрын

    Ya true😊

  • @herosingh331
    @herosingh3313 жыл бұрын

    Truly worked hard This is fantastic video. I think the crystal should be clear as the concepts 😂

  • @crazylog3219

    @crazylog3219

    2 жыл бұрын

    Ulta bol rha h be😂

  • @Vandana012

    @Vandana012

    2 жыл бұрын

    But still work done = 0😂

  • @ayushnirwal6373

    @ayushnirwal6373

    2 жыл бұрын

    @@Vandana012 waaah re😆😆🤣🤣🤣

  • @sakshamtehariya
    @sakshamtehariya Жыл бұрын

    those who have physics exams tomorrow and are studying at night like me . guys listen don't panic just do study now coz tension lene se na chapter kr paoge na samajh aayega iesaliya jaldi se baas chapter kr lo tension mat lena be calm all the best for exams.

  • @iitcrackpradeep

    @iitcrackpradeep

    Жыл бұрын

    Yarr tumne to dil jeet liya❤️ Lots of love bro

  • @sakshamtehariya

    @sakshamtehariya

    Жыл бұрын

    @@iitcrackpradeep love you too bro ✌🏻

  • @mohdhaseeb6589
    @mohdhaseeb65892 жыл бұрын

    on the other hand where people take lakhs of rupees for teaching having teachers like Roshni ma'am is a blessing

  • @prachichauhan3936

    @prachichauhan3936

    2 жыл бұрын

    👍👍yes

  • @RajVerma-ue8gv

    @RajVerma-ue8gv

    2 жыл бұрын

    Alakh sir???

  • @warriorandweirdo

    @warriorandweirdo

    2 жыл бұрын

    @@RajVerma-ue8gv he is a LEGEND too

  • @adithyankrishnan4663

    @adithyankrishnan4663

    2 жыл бұрын

    Bhai aap DBz fan ko kya

  • @crazyhell._.sarcasm1751

    @crazyhell._.sarcasm1751

    2 жыл бұрын

    True broo

  • @palaknagpure9075
    @palaknagpure90753 жыл бұрын

    She's just amazing 👏 😃 who agrees hit 👍like

  • @Nolajvalaboy

    @Nolajvalaboy

    3 жыл бұрын

    Hii

  • @vaishnavidombale4520
    @vaishnavidombale4520 Жыл бұрын

    I wish every NEET aspirant should learn from your lectures ❤ all concept are crystal clear 🙏

  • @DragonCityCreation

    @DragonCityCreation

    Жыл бұрын

    Ma'am you give the wrong value of V1 and V2 why, hello friends notice on value of V1 and v2

  • @gamechanger_005

    @gamechanger_005

    10 ай бұрын

    Is it enough for Neet?? Reply...

  • @AdityaSinghXlB

    @AdityaSinghXlB

    10 ай бұрын

    ​@@gamechanger_005 no

  • @plaidy.

    @plaidy.

    10 ай бұрын

    ​@@gamechanger_005Yes it is, only if you practise and do self study.

  • @rishabhsharma9063
    @rishabhsharma90632 жыл бұрын

    1:00 Mam was just turning one page again and again it seems😂😂😂

  • @ishakawade9100
    @ishakawade9100 Жыл бұрын

    27:49 wow! very creatively made! Kudos

  • @Ainoxxem
    @Ainoxxem Жыл бұрын

    I really don’t have enough words for u ma’am, thank u so much for these one shot lectures they really help me a lot, always loved your explanations and concepts crystal clear 😁

  • @pranishsupremacy8129
    @pranishsupremacy81293 жыл бұрын

    Sadly most of student's physics exams are over.

  • @ayushanand568

    @ayushanand568

    3 жыл бұрын

    Yaa right Only math remains for me

  • @ZafarKhan-cj1qi

    @ZafarKhan-cj1qi

    3 жыл бұрын

    @Chhabila Bisoi same 😂

  • @maarabharat2209

    @maarabharat2209

    3 жыл бұрын

    Tomorrows my physics xam 😔😔😔😔😔

  • @ankitapanigrahi7913

    @ankitapanigrahi7913

    3 жыл бұрын

    Mine are tomorrow and I'm lucky

  • @maarabharat2209

    @maarabharat2209

    3 жыл бұрын

    @@ankitapanigrahi7913 nyc dp

  • @anannya3532
    @anannya35323 жыл бұрын

    Ma'am you're really doing very good work for all of us. According to me your video's are best for conceptual learning with solutions. Thank you ma'am

  • @s.siddarth8505
    @s.siddarth85052 жыл бұрын

    ma'am the concept for this chapter is crystal clear..... hopefully one shot on other lessons will also be posted.... then physics will be crystal clear in total

  • @nikhiljangra8897
    @nikhiljangra8897 Жыл бұрын

    Better teacher than other. We can understand all topics easily in one shot rather than long length video of other teachers. Thank you ma'am for making this video this helps me alot in exams😇😇🤗🤗.

  • @manjukanwar8855
    @manjukanwar88553 жыл бұрын

    Mam you are just like a blessing to us Many teachers are making videos but complete one chapter in almost 8 to 9 videos your one shot videos saved many students once thankyou soo so much

  • @crazylog3219

    @crazylog3219

    2 жыл бұрын

    This is the bedt about ma'am 😊

  • @akshatsinha6991
    @akshatsinha69913 жыл бұрын

    Great video, watched at 2x speed while skipping where necessary and revision was done with under 40 minutes. Also, amazing effort by mam here.

  • @arkisna4398
    @arkisna43986 ай бұрын

    2024 attendance here🎉

  • @SERVANIVLOGSYT
    @SERVANIVLOGSYT2 жыл бұрын

    Thank you soo much mam, the videos are very useful in understanding the concepts. It is cluster clear from line to line of ncert textbook. I am really glad that and I really happy be your student. Please make more videos for us like this 🙏

  • @ak-yt-994
    @ak-yt-9943 жыл бұрын

    Yes ma'am Maine apni saare maths k chapters aapse padhe the and Mera exam bahut achaa gaya thank you so much ma'am and now I'm preparing for my physics exam 🤘🤗🤗

  • @gayathrigayathri5808

    @gayathrigayathri5808

    2 жыл бұрын

    💝

  • @DragonCityCreation

    @DragonCityCreation

    Жыл бұрын

    Ma'am you give the wrong value of V1 and V2 why, hello friends notice on value of V1 and v2

  • @omprakashmaharana8100
    @omprakashmaharana81003 жыл бұрын

    Ma'am u r my favourite teacher of KZread. Ma'am mein physics, chemistry, mathematics sirf aapke vdo se samajh ta hun . ❤️ Thanks a lot 🥰😊 ma'am

  • @dhruv145
    @dhruv145 Жыл бұрын

    Timestamps: by rowdy ff 0:00 Introduction 0:38 Work ,Energy & Power 2:49 Scalar Product 11:55 Definition of Work 13:22 Work :Examples 14:24 Work done =0:Examples 15:24 Positive and Negative Work 17:49 Work done :Force -Displacement graphs 20:01 Problem 1 24:01 Kinetic Energy 27:39 Work-Energy Theorem 28:12 Work done by a variable force 29:30 Potential Energy 35:59 Potential Energy: Relation Force & Work done 37:59 Conservative & Non-Conservative forces 38:59 Conservation of Mechanical energy 46:40 Plot of Fs Vs. Displacement 49:52 Work done in a spring 54:26 Conservation of Mechanical energy in a spring 57:54 Energy vs. Displacement plot for a spring 59:22 Problem 1 1:00:23 Problem 2 1:02:27 Forms of energy & Interconversions 1:04:14 Conservation of energy 1:04:41 Power 1:06:13 Average & Instantaneous Power 1:09:35 Power 1:10:25 Problem 1 1:12:59 Problem 2 1:16:07 What is collision 1:16:44 Momentum & Energy conservation in collision 1:17:24 Types of collision 1:20:10 Collision in 1 Dimension :Inelastic collision 1:24:18 Collision in 1 Dimension :Elastic collision 1:31:02 Elastic collision 1:32:08 Collision in 2 Dimension 1:36:49 Problem 1

  • @rajanikhetwal2216

    @rajanikhetwal2216

    Жыл бұрын

    Nikal bhadwe time stamps description mai diya hua hai use copy paste kr raha hai FREEFIRE KA TATTA

  • @aswithav10b28

    @aswithav10b28

    Жыл бұрын

    This video has all the concepts of the chapter right???

  • @Adeeb892
    @Adeeb892 Жыл бұрын

    Amazing ma'am this kind of education will help all those students who depends on one lectures ❤️

  • @ZDRAGO05
    @ZDRAGO053 жыл бұрын

    Mam when u taught, a sentence came ,"concept crystal clear".

  • @krushantkayadra8347
    @krushantkayadra83472 жыл бұрын

    Thanks! This channel of one shots are really helpful in the lack of time before exams! This channel deserves more attention

  • @user-zw5nr9wg3e

    @user-zw5nr9wg3e

    5 ай бұрын

    Najam Academy>>>> His Videos are 💥🤙 , Watch this Videos ❤

  • @sayleeraut
    @sayleeraut Жыл бұрын

    amazing session !! everything is crystal clear

  • @Creativity_with_mee
    @Creativity_with_mee Жыл бұрын

    Thnku so much ma'am this video is very helpful for me ........ Stay blessed

  • @BALJINDERKAUR-jt5sp
    @BALJINDERKAUR-jt5sp3 жыл бұрын

    Mam, ur doing such a hard work for us 👍💫 I could never make my interest in physics, but today i have studied physics continuously for 1:40 hr with u ❤️❤️❤️❤️

  • @putoons
    @putoons3 жыл бұрын

    Amazing yarr... Jis energy ke saath one-shot videos shuru kiya tha usi josh ke saath saari videos bana rahin hain. salute to your hard work and persistence. concept hua crystal clear.

  • @suchandrabhattacharjee1220
    @suchandrabhattacharjee1220 Жыл бұрын

    This type of one shot videos are the need of hour during exams. Thank you very much #Learnohub and also #concept hua crystal clear

  • @Notkatall
    @Notkatall Жыл бұрын

    Thank you so much ma'am !!!🤍

  • @afiyahashmi9911
    @afiyahashmi99113 жыл бұрын

    Literally mam ...ap Kitna struggle krte h ...taki hmne concept clear krne k liye ...Sare gharelo items are very amazing ...and obsly concept hua crystal clear

  • @crazylog3219

    @crazylog3219

    2 жыл бұрын

  • @adityasingharoy4155
    @adityasingharoy41553 жыл бұрын

    You are the best teacher ever seen🙏

  • @pwfanclubw
    @pwfanclubw Жыл бұрын

    Timestamps: 🔥🔥🔥🔥🔥🔥 0:00 Introduction 0:38 Work,Energy & Power 2:49 Scalar Product 11:55 Definition of Work 13:22 Work:Examples 14:24 Work done =0:Examples 15:24 Positive and Negative Work 17:49 Work done:Force -Displacement graphs 20:01 Problem 1 24:01 Kinetic Energy 27:39 Work-Energy Theorem 28:12 Work done by a variable force 29:30 Potential Energy 35:59 Potential Energy: Relation Force & Work done 37:59 Conservative & Non-Conservative forces 38:59 Conservation of Mechanical energy 46:40 Plot of Fs Vs. Displacement 49:52 Work done in a spring 54:26 Conservation of Mechanical energy in a spring 57:54 Energy vs. Displacement plot for a spring 59:22 Problem 1 1:00:23 Problem 2 1:02:27 Forms of energy & Interconversions 1:04:14 Conservation of energy 1:04:41 Power 1:06:13 Average & Instantaneous Power 1:09:35 Power 1:10:25 Problem 1 1:12:59 Problem 2 1:16:07 What is collision 1:16:44 Momentum & Energy conservation in collision 1:17:24 Types of collision 1:20:10 Collision in 1 Dimension:Inelastic collision 1:24:18 Collision in 1 Dimension:Elastic collision 1:31:02 Elastic collision 1:32:08 Collision in 2 Dimension 1:36:49 Problem 1 Thanks ❤❤❤❤

  • @sanchitachatterjee4140
    @sanchitachatterjee4140 Жыл бұрын

    Ma'am agar ap dekhe toh 20:04 ka graph me uo triangle nahi hya.. thoda sa y intercept hai to uo trapezium hoga. Uo mujh ko lagta hya thoda correction hona chahiye Dhaiyawad!

  • @shubhranshchakroborty921
    @shubhranshchakroborty9212 жыл бұрын

    1:10 damn relatable I'm also studying at night to complete my syllabus

  • @raunakkumar8599

    @raunakkumar8599

    2 жыл бұрын

    same

  • @rahila8056

    @rahila8056

    2 жыл бұрын

    😂😂🤣me too😝😜😂😂😂

  • @vaishnavi_2885

    @vaishnavi_2885

    2 жыл бұрын

    exactlyyy same watching this video 2 haours before exam haha

  • @raunakkumar8599

    @raunakkumar8599

    2 жыл бұрын

    @@vaishnavi_2885 online exam ?

  • @samratyudhishthir724
    @samratyudhishthir7243 жыл бұрын

    Ma'am we all love your demonstration 🥰🥰

  • @user-up4nm8po1u
    @user-up4nm8po1u2 жыл бұрын

    Concept hua crystal clear 👍 Thank you so much mam for giving us the best explanation 🙏

  • @mehafoozneelapuram4211
    @mehafoozneelapuram4211 Жыл бұрын

    Concepts became crystal clear❤

  • @tuna2479
    @tuna24792 жыл бұрын

    Mam is an example of Nothing is impossible, if we work hard . She can teach every subject with it's maximum.

  • @shubhamsahani8794

    @shubhamsahani8794

    2 жыл бұрын

    IS THIS LECTURE ENOUGH FOR SCHOOL EXAM ? AUR IS CH KE NUMERICALS BANTE H ? PLZZ ANSWER AS FAST AS POSSIBLE KAL TEST H

  • @redmigo8634

    @redmigo8634

    2 жыл бұрын

    Yes

  • @tuna2479

    @tuna2479

    2 жыл бұрын

    @@shubhamsahani8794 Sorry I was inactive in youtube lately so I didn't read your reply. Numericals also come .

  • @vedantwagadre574

    @vedantwagadre574

    2 жыл бұрын

    @@tuna2479 bro kya ye enough hai ?

  • @vedantwagadre574

    @vedantwagadre574

    2 жыл бұрын

    @@tuna2479 term 1 mcq ke liye

  • @amarjitpanesar7207
    @amarjitpanesar72073 жыл бұрын

    concept hua crystal clear!! thank you so much ma'am:))

  • @tanishachaudhary5186
    @tanishachaudhary5186 Жыл бұрын

    Thankeww mam you clear my all doubts ... And tomorrow is my exam... Prepare this chapter from you video nd now my doubts are clear ... Thankyou mam ..❤️🙌

  • @taskinazad1996
    @taskinazad1996 Жыл бұрын

    Thank you so much ma'am, this lecture was so interesting and easy to understand. Truly grateful to you

  • @godofgamerzindian
    @godofgamerzindian3 жыл бұрын

    1:00:40 it could by done more easily By law of conservation of NRG Mam should not do calculations in first step mass will be cancelled out Final equation will be h = v^2 / 2g

  • @user-kd5kc2rs9m
    @user-kd5kc2rs9m3 жыл бұрын

    My Physics exam was on 12 March but it didn't went well and I got compartment in it.. so now it's on 26 march agn... Now I'm preparing with a lot of hard work... Thank you mam for these videos ❤️ need your blessings to score well...

  • @pranishsupremacy8129

    @pranishsupremacy8129

    3 жыл бұрын

    all the best for your result

  • @user-kd5kc2rs9m

    @user-kd5kc2rs9m

    3 жыл бұрын

    @@pranishsupremacy8129 yes.. thank you sm... It was yesterday and it went quite well! All thanks to roshni mam👍

  • @RajVerma-ue8gv

    @RajVerma-ue8gv

    2 жыл бұрын

    @@user-kd5kc2rs9m ho gaya accha??

  • @muslimah3104

    @muslimah3104

    2 жыл бұрын

    Notes bhi bnaye thy kya apnyy in videos say?

  • @thecoolbros4868

    @thecoolbros4868

    2 жыл бұрын

    @@RajVerma-ue8gv silence 😲😯😦🥶

  • @bindassshivani2621
    @bindassshivani2621 Жыл бұрын

    Love you teaching way mam when i see your video l feel I am a small child who start with basics and you teach like a LKG teacher .l like your videos very much because aapse aacha koi pdha hi nhi sakta 😘😘🙏🙏aapki video me aap examples bahut aache deti ho mujhe yeh bahut pasand hai

  • @Regular2007

    @Regular2007

    Жыл бұрын

    Ok

  • @bindassshivani2621

    @bindassshivani2621

    Жыл бұрын

    @@Regular2007 thanks 👍

  • @eshajaiswal5254
    @eshajaiswal5254 Жыл бұрын

    Chapter is a little bit hard but not on that time when i used to learn it with u☺️☺️much appreciating🥰

  • @Rohitkumargupta007

    @Rohitkumargupta007

    9 ай бұрын

    Hii

  • @carlusgreen2229
    @carlusgreen22292 жыл бұрын

    One can clearly see her dedication and hardwork ... Huge respect for u mam ... And thank u for this amazing lecture ❣️

  • @UrvashiChauhan-vi8eg
    @UrvashiChauhan-vi8eg2 жыл бұрын

    Ma'am your way of teaching is amazing ❤️ thanks for such a good content 👍🏻👍🏻❤️

  • @rishikachhadia7563
    @rishikachhadia7563 Жыл бұрын

    Thank you very very much for those time stamps !

  • @sunitaram6794
    @sunitaram6794 Жыл бұрын

    Thank you🙏🙏 sooo much mam my concept is crystal clear ☺😊

  • @sparsh9781
    @sparsh97813 жыл бұрын

    How many of you watching the videos after exams before result so 12th kharab na jaaye🤣🤣🤣

  • @crazylog3219

    @crazylog3219

    2 жыл бұрын

    Ooo

  • @crazylog3219

    @crazylog3219

    2 жыл бұрын

    @Devyan Utsav 💩

  • @satyamm.x

    @satyamm.x

    Жыл бұрын

    About 11 months before Neet 2024

  • @dhimanray3049
    @dhimanray30492 жыл бұрын

    Yes maam.... concepts are pure crystal clear. Thank you ma'am for this video. Very nicely explained.

  • @neerajmuralidharan9650
    @neerajmuralidharan9650 Жыл бұрын

    Mam in 1:26:23 why we are multiplying equation 1 with v2

  • @firozahmad2656
    @firozahmad26562 жыл бұрын

    Thanks mam ... For giving a one of the best lecture of work and energy.. Thank you so much mam 🥰🥰🥰

  • @juhirawr
    @juhirawr2 жыл бұрын

    a lil tip : keep your ncert besides you when watching these videos and make notes in a rough book ^^

  • @keshavbhawsar6713
    @keshavbhawsar67132 жыл бұрын

    MA'AM i think you are awesome☺ because this One shot video helped me a lot to in my Exam time😖 I was worried but you cleared my concept fully 😍 THANK YOU A LOT

  • @user-ze3nu3xl3r
    @user-ze3nu3xl3r9 ай бұрын

    THANK YOU MA'AM JI 🙏😍 CONCEPT CRYSTAL CLEAR ❤

  • @yog_saar
    @yog_saar2 жыл бұрын

    PW vs lerno hub :- All of vote for your favorite 😉.

  • @ishitatripathi8013
    @ishitatripathi80132 жыл бұрын

    you're the best teacher ever seen.....thankyou ma'am :))

  • @seemasaxena4391

    @seemasaxena4391

    2 жыл бұрын

    안녕하세요 깜박 🖤...... I also like this teacher her one shot videos are always so awesome .

  • @padhaikaadda8185
    @padhaikaadda81853 жыл бұрын

    Thank You So much Ma'am ❤️❤️ It's was very helpful for me.🤘🤘 And I Love Your type of explaining to the students. One more Thank You so much Ma'am.

  • @shrihari3692
    @shrihari36922 жыл бұрын

    mam this the best lectures of this chapter and we can see how hard you work for making us understand thanks lot mam

  • @Ranisah91027
    @Ranisah91027 Жыл бұрын

    Awesome lecture.. Whole chapter in a single video with full concept Thank u so much mam🙏💕

  • @vivektiwari2669
    @vivektiwari26692 жыл бұрын

    Ma'am just loved ur video it clearer all my concepts thank you 💫

  • @naaz6124
    @naaz61242 жыл бұрын

    A lots of thankyou and love from the bottom of my heart mam for teaching in such an awesome way. You helped me a lot......... And really makes all the concepts crystal clear for me ........................

  • @mdash5321
    @mdash5321 Жыл бұрын

    Legends watching on before the day of exam

  • @yashikamaheshwari889
    @yashikamaheshwari8892 жыл бұрын

    ma'am...you are really awesome...concepts hua crystal clear

  • @myselfishan4052
    @myselfishan40522 жыл бұрын

    Ma'am. You're sensational. You've no idea how much You're helping us. Thank you Ma'am.

  • @virupakshappapattanshetti5714
    @virupakshappapattanshetti57142 жыл бұрын

    1:16:18 I thought it was ads .. 😂😂

  • @moonchild3000
    @moonchild30002 жыл бұрын

    Wow! Thank You So Much Ma'am for this wonderful video lecture.

  • @vijaypalbishnoi9702
    @vijaypalbishnoi9702 Жыл бұрын

    Concepts hue crystal clear 🤟😊

  • @chanchalpoddar6980
    @chanchalpoddar69802 жыл бұрын

    Thank you so much ma'am for clearing all concepts 😊😊 and the lecture is super duper amazing as always 🤞🤞

  • @devanshsinghtomar4448
    @devanshsinghtomar4448 Жыл бұрын

    Pehle mujhe thumbnail dekh ke vishwas ni ho rha tha ki koi female teacher physics kya hi achha padhayegi vo bhi 11th standard ki but I was wrong... I'm so sorry for judging u before watching the video. Guys she's a great teacher and her videos helped a lot.

  • @creativechronicles05
    @creativechronicles05 Жыл бұрын

    Thanku so much ma'am!! Literally uh made the concepts crystal clear🤍

  • @sreeenterprises6235
    @sreeenterprises62352 жыл бұрын

    Omgg! U really make every concept clear mam!!❤️

  • @banu5053
    @banu50532 жыл бұрын

    Thank for this video mam ... Very very helpful ... To learn the whole chapter in just video ... Please continue and Complete all the chapters of class 11th & 12th as soon as possible tha ki concept hogya crystal clear 👍🏻

  • @vani6965
    @vani6965 Жыл бұрын

    Tmrw is my exam

  • @nymous3054

    @nymous3054

    Жыл бұрын

    Your school?

  • @nidhi189
    @nidhi1892 жыл бұрын

    super lecture every concept is explained in detail I totally liked this viedo

  • @misssketchartist966
    @misssketchartist9662 жыл бұрын

    its very useful & helpful video nice explantions great efforts keep it up👏😊 my all concept get crystal clear in once only..🙂

  • @dsneha6069
    @dsneha60692 жыл бұрын

    I am now feeling that physics can be really interesting. After watching this video, all the concepts of this chapter are crystal clear. Thanks a lot ma'am, for this wonderful explanation.

  • @shubhamsahani8794

    @shubhamsahani8794

    2 жыл бұрын

    IS THIS LECTURE ENOUGH FOR SCHOOL EXAM ? AUR IS CH KE NUMERICALS BANTE H ? PLZZ ANSWER AS FAST AS POSSIBLE KAL TEST H

  • @BottomG564

    @BottomG564

    2 жыл бұрын

    @@shubhamsahani8794 bhai ye video tab kaam aayegi jab tum ye chapter complete kar chuke ho uske baad ye dekh rhe ho to best hai ✔️

  • @shirinpar5157
    @shirinpar51572 жыл бұрын

    Concept hua Crystal clear 🤩 You are the best...... thank you so much ma'am 🤍

  • @roselinpondrajnadar2695
    @roselinpondrajnadar26953 жыл бұрын

    Mam thank u somuch 🙏🙏🙏🙏🙏 for this drastic explaination 🙏🙏🙏I really love ur lecture ❤️❤️❤️❤️❤️❤️

  • @swathy8167
    @swathy81672 жыл бұрын

    Ma'am you are my blessing in Chemistry And Physics ❤💖❤💖🙏🏻

  • @pragyapatel3777
    @pragyapatel3777 Жыл бұрын

    This video is really helpful i have backlogs on pw and day after tomorrow i have to give exam that's why i am here to attend your lecture . You really make this chapter easy and clear My all doubt . So, thank you so much ma'am 😊😊😊

  • @shi.....3689
    @shi.....3689 Жыл бұрын

    Concept hua crystal clear ❤🤩

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