Rolling Without Slipping Introduction and Demonstrations

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Rolling without Slipping is demonstrated and the equation for velocity of the center of mass is derived. A cycloid is demonstrated. Kinetic energy, distance, and acceleration of rolling without slipping is discussed. Want Lecture Notes? www.flippingphysics.com/rolli... This is an AP Physics 1 Topic.
0:00 Intro
0:06 #RollingWithoutSlipping
0:28 #Cycloid
1:15 Translation and Rotational
3:13 Center of Mass Velocity
4:10 Resultant Velocity
4:37 Kinetic Energy
4:58 Distance and Acceleration
Next Video: Rolling Acceleration Down an Incline
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Thank you to Jonathan Sullivan-Wood for transcribing the English subtitles of this video.

Пікірлер: 153

  • @adeshmishra7663
    @adeshmishra76634 жыл бұрын

    He has put so much effort in this video, that vector addition animation is very difficult to program. I just want to say Thank You for explaining so clearly and humorously. You are very admirable.

  • @FlippingPhysics

    @FlippingPhysics

    4 жыл бұрын

    Thank you very much!

  • @shailkumarjain
    @shailkumarjain3 жыл бұрын

    how on earth 11 people disliked the video ?? This is best ever explanation for rolling without slipping. Even a person with little physics knowledge can grasp what is happening...Really great video

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    I have no idea.

  • @johnwilson1754
    @johnwilson17543 жыл бұрын

    Thank you for putting so much effort in creating this video. Amazing animations and as always your explanations of Physics concepts are to the point and easy to understand. Now I know I can roll without slipping.

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    Glad to help you figure out how to roll without slipping!

  • @medic8038
    @medic80383 жыл бұрын

    You know what ... Teachers like you are very less Because you explain what question is in my mind ,it is amazing!!!!

  • @vedangisekra9399
    @vedangisekra93994 жыл бұрын

    Thanks for explaining in such an easy way, i watched many videos but wasn't able to understand what actually the concept is! Recommended for everyone , just watch it once!

  • @sanjaySingh-ck6kd
    @sanjaySingh-ck6kd3 жыл бұрын

    Awesome stuff. My dog likes to watch Flipping Physics videos. He sits quietly and watches your demonstrations and walks away when I go to Khan Academy videos.

  • @shreyassupnekar4501
    @shreyassupnekar45013 жыл бұрын

    Omg , I never thought my concept would get cleared just in 5 mins ......thank u sorry that really helped a lot .....happy that teachers like u exist :)

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    You're welcome 😊

  • @carultch
    @carultch2 жыл бұрын

    A point to clarify. It is not necessarily the center of mass, that is in pure translation. But rather, the center of the circle that contacts the surface. Most commonly, it will coincide with the center of mass, as it is most likely for the rolling object to be uniform. But if the rotating body isn't uniform or axisymmetric in its mass distribution, the center of mass will not have any special kinematics compared to any other point. For an object moving and rotating in free space without any constraints or external forces, any object will rotate about its center of mass with its center of mass in pure translation, regardless of the mass distribution.

  • @FlippingPhysics

    @FlippingPhysics

    2 жыл бұрын

    Agreed. Thanks for the clarification.

  • @arijeetsarkar1512
    @arijeetsarkar15123 жыл бұрын

    Thank you for such a succinct demonstration....It helped me to visualise what it was about.

  • @syed_tawqeer1203
    @syed_tawqeer12033 жыл бұрын

    I am doing a course on rolling motion and this representation of how the velocity is zero at the point of contact helped me a lot. Awesome animations. And I'm subscribing.

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    Thanks!

  • @huntingresonance
    @huntingresonance5 жыл бұрын

    Amazing animations!! Really brilliant... thank you!!

  • @FlippingPhysics

    @FlippingPhysics

    5 жыл бұрын

    Your are very welcome!

  • @nils3989
    @nils39892 жыл бұрын

    Thanks! This video helped me understand the concept a little better.

  • @GrenadianToTheBone
    @GrenadianToTheBone4 жыл бұрын

    sir. you are a blessing. whenever i see that you have a video on a topic i don't understand i am so relieved. thank you

  • @FlippingPhysics

    @FlippingPhysics

    4 жыл бұрын

    What a lovely comment. Thank you!

  • @nasirkhalid6770
    @nasirkhalid67705 жыл бұрын

    YOU ARE GENIUS SIR THANK YOU VERY MUCH.

  • @nandinii27
    @nandinii273 жыл бұрын

    Great job man..!!!👍👍 Hats off👍

  • @karthekeswarikarthigeyan1932
    @karthekeswarikarthigeyan19323 жыл бұрын

    You are doing a marvellous work.Great effort.Your explanation is very clear.God bless you..

  • @andrewjustin256
    @andrewjustin2562 ай бұрын

    Mr. P, my words are beyond deserving for how you elucidate on physics!! I will never be able to thank you enough 😭! But thank you soo much anyway!

  • @FlippingPhysics

    @FlippingPhysics

    2 ай бұрын

    You are absolutely welcome!

  • @mahibhatnagar4078
    @mahibhatnagar40789 ай бұрын

    Thanks a lot . The animation was amazing it cleared all my doubts. You just gained a subscriber❤❤❤

  • @user-sx7fy8tw9b
    @user-sx7fy8tw9b3 жыл бұрын

    Thank you so much. Finally i understand it!!!

  • @Shubhamkumar-re7fi
    @Shubhamkumar-re7fi3 жыл бұрын

    Really really great animations, thank you very much sir !!

  • @mamtajaiswal3841
    @mamtajaiswal38413 жыл бұрын

    Thanks you for great explanation! It helped a lot :)

  • @danielgross8948
    @danielgross89482 жыл бұрын

    Best video on rotational motion of rigid bodies

  • @saniasultana7141
    @saniasultana71412 жыл бұрын

    Best video on this topic.

  • @amarnath387
    @amarnath3873 жыл бұрын

    Amazing animation with explanation , no such video available on KZread , thanks a lot sir

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    You are most welcome

  • @satyampandey2911
    @satyampandey29113 жыл бұрын

    I AM FROM INDIA AND PREPARING FOR JEE MAINS ,AFTER TAKING THE LECTURE ON ROLLING AND THEN WATCHING YOUR THIS SUPER AWSOME VISUALISING/EXPERIMENTAL VIDEOS MAKES MY CONCEPT MORE CRYSTAL CLEAR.......... THANK YOU

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    Best of luck on the JEE!

  • @abhinavthakur7910
    @abhinavthakur7910 Жыл бұрын

    no words man awesome explanation

  • @highschoolvlogs1248
    @highschoolvlogs12482 жыл бұрын

    this is actually super helpful thanks so much

  • @HenriKanji
    @HenriKanji5 жыл бұрын

    The animation you did helped me so much! Thank you!!!

  • @FlippingPhysics

    @FlippingPhysics

    5 жыл бұрын

    You are very welcome!

  • @blueday3090
    @blueday3090 Жыл бұрын

    This video is best thanks for this amazing animation

  • @NehaVerma-bz9uq
    @NehaVerma-bz9uq3 жыл бұрын

    superb sir...perfectly explained 🙏🏿

  • @suyashsingh6324
    @suyashsingh63242 жыл бұрын

    Thank you so much sir your explanation helped me alot to understand this topic....

  • @gowthammurali1224
    @gowthammurali122412 күн бұрын

    Great video.. ❤

  • @swedenludvig
    @swedenludvig3 жыл бұрын

    Great Video!

  • @aidorice6165
    @aidorice61652 жыл бұрын

    Having the nerd guy explain some stuff is genius one of a kind style

  • @Nayan133
    @Nayan1332 жыл бұрын

    Only the Dedication leads to masterpieces ❤️.

  • @dtgiabao9915
    @dtgiabao99152 жыл бұрын

    Thank you so much!!!!

  • @adityachauhan4895
    @adityachauhan48952 жыл бұрын

    Sir your videos are so interesting .

  • @karlmarx6360
    @karlmarx6360 Жыл бұрын

    This cleared my all doubts thanks man for this beautiful video

  • @FlippingPhysics

    @FlippingPhysics

    Жыл бұрын

    Glad it helped!

  • @user-ro7pi1vs4y
    @user-ro7pi1vs4y7 ай бұрын

    thanks! the video is very clear and helpful!

  • @FlippingPhysics

    @FlippingPhysics

    7 ай бұрын

    Glad to hear that. That is obviously my intent!

  • @riswan2370
    @riswan23702 жыл бұрын

    Really helped 🎊 thanks

  • @GeethsMathsTutorials
    @GeethsMathsTutorials5 жыл бұрын

    Great video.

  • @satyamkumarsingh9798
    @satyamkumarsingh97983 жыл бұрын

    This stuff is slipping right over my head... thanks for being my first ever Lyft passenger! You have an awesome channel and I'll make sure to let my students know about it when I head back to work in September!

  • @tanushreepanigrahy9482
    @tanushreepanigrahy94822 жыл бұрын

    Thank you so much sir!!! The animations made it easy to understand!

  • @FlippingPhysics

    @FlippingPhysics

    2 жыл бұрын

    Glad it helped!

  • @darkglamour1564
    @darkglamour15644 жыл бұрын

    Thanks best explanation 👍

  • @chowdhury_kamruzzaman
    @chowdhury_kamruzzaman3 жыл бұрын

    Thank you,Sir

  • @tssdancelove3319
    @tssdancelove33193 жыл бұрын

    woww!!!! What an animation....really it clears the concepts easily.....thank you so much....it's a very very difficult animation specially at the end when there we have to find velocity of edges...very nice...

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    You are welcome.

  • @arpitchaturvedi9604
    @arpitchaturvedi96043 жыл бұрын

    It was very frustrating unable to understand this but u guys made it so simple with the amazing animation and theory. Thanks u so much.

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    You are welcome!

  • @axsmasher4
    @axsmasher43 жыл бұрын

    Thank you so much! Really cleared my concepts!

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    You're very welcome!

  • @snehalthanekar8728
    @snehalthanekar87283 жыл бұрын

    Helped a lot !!! Imagination Booster..Thank you so much.

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    You are welcome!

  • @noneednet8576
    @noneednet8576 Жыл бұрын

    Thank you very much it was a great video.

  • @FlippingPhysics

    @FlippingPhysics

    Жыл бұрын

    Glad you liked it!

  • @jordangumapos280
    @jordangumapos2803 жыл бұрын

    I enjoyed learning with you as well 💙

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    Awesome! Thank you!

  • @fanofabd7613
    @fanofabd76132 жыл бұрын

    This type of physics not exists in our india and we only care about marks and leave the beauty of concepts , rotational dynamics is considered as one of the toughest chapters in physics for 11/12 but in depth, its far better interesting than anything, ij bw thanks for the wonderful interpretation, keep going mate🎊🎊

  • @FlippingPhysics

    @FlippingPhysics

    2 жыл бұрын

    Thanks for the love my friend!

  • @andrewjustin256

    @andrewjustin256

    2 ай бұрын

    It is likewise here unfortunately! I have not even slightest iota of an idea why people in the world are doing this!

  • @andrewjustin256

    @andrewjustin256

    2 ай бұрын

    @fanofabd7613 What grade are you in?

  • @SabbirAnas

    @SabbirAnas

    18 күн бұрын

    Is there friction in case of rolling without slipping???​@@FlippingPhysics

  • @pubuduweerakoon7174
    @pubuduweerakoon71743 жыл бұрын

    Good explanation !Thanks !

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    You are welcome!

  • @sulagnaghosh2148
    @sulagnaghosh21483 жыл бұрын

    thank u so much

  • @suwagkamalsaikia4694
    @suwagkamalsaikia46945 жыл бұрын

    u r really amazing.., great teaching skill...wow,.

  • @FlippingPhysics

    @FlippingPhysics

    5 жыл бұрын

    Thanks!

  • @vidhinabisen8968
    @vidhinabisen89683 жыл бұрын

    Thank you 😇

  • @pf-physicsfever6145
    @pf-physicsfever61452 жыл бұрын

    I am going to subscribe ur channel and to recommend it to my classmates.bcoz across the youtube I found this video most helpful in understanding rolling motion.

  • @FlippingPhysics

    @FlippingPhysics

    2 жыл бұрын

    Great!

  • @agnibha1896
    @agnibha18963 жыл бұрын

    Amazing, just awsome, thanks for the Beautiful demonstration.. 😇😇

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    Thank you for your kind words!

  • @ajaykrishnanr6468
    @ajaykrishnanr64683 жыл бұрын

    Very well explained... U deserve more subscribers 👍🏻

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    Agreed. 😬

  • @darshan_171
    @darshan_1713 жыл бұрын

    Thanks a lot........Cleared all my doubts 🔥🔥

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    You are welcome

  • @dx9ko
    @dx9ko3 жыл бұрын

    Ahh thanks so much, I could not figure out why the contact point has a velocity of 0 of an object that rolls without slipping.

  • @debasishkonwar9688
    @debasishkonwar96884 жыл бұрын

    The animation helped a lot. thanks

  • @FlippingPhysics

    @FlippingPhysics

    4 жыл бұрын

    You are welcome.

  • @donutzzs
    @donutzzs2 жыл бұрын

    UNDERRATED

  • @boboganbobogan9297
    @boboganbobogan92972 жыл бұрын

    THE BEST

  • @shubhambhavsar6933
    @shubhambhavsar69334 жыл бұрын

    Brilliant

  • @RahulYadav-io7id
    @RahulYadav-io7id2 жыл бұрын

    thank u sir

  • @rashaahmed-vl7nt
    @rashaahmed-vl7nt8 ай бұрын

    is the force of static friction necessary to produce net torque couldnt it be caused by the force of gravity or by forces in y direction?

  • @GauravKumar-np2qm
    @GauravKumar-np2qm3 жыл бұрын

    Amazing graphic

  • @neas3373
    @neas3373 Жыл бұрын

    Whenever possible, could you explain why exactly rolling without slipping adds the velocities of a pure rotational object and a pure translational object? 2:02 It was states that rolling without slipping was the addition of these velocity vectors, and I can't seem to wrap my head around why this happens. Is this just something that happens? I see that it does happen, thanks to your awesome animations. But why do we add the translational and rotational velocities to get rolling without slipping? Also, if we look at a point really close to the center of mass, but down just a little, of the object rolling without slipping, and then added the rotational and translational velocities, wouldn't that not work? Since the rotational velocity of that point would be so small, but the translational velocity so big, it should theoretically move to the right if we added it.

  • @andrewjustin256
    @andrewjustin2562 ай бұрын

    By the way, how can we describe "rolling without slipping" motion? Or what does it imply to be in that motion?

  • @rreiss60
    @rreiss605 ай бұрын

    Does this example shares concepts with animation of a walk cycle without foot slipping animation? That is how I came to this video. What, if any is the relationship?

  • @shraddhaagrawal2313
    @shraddhaagrawal23132 жыл бұрын

    You look like Johny Galecki with long hair. Great explanation.. thanks

  • @varneetchaudhary2325
    @varneetchaudhary23254 жыл бұрын

    You are amazing great explanation keep uploading more videos 🤗🤗

  • @FlippingPhysics

    @FlippingPhysics

    4 жыл бұрын

    Thanks. I am doing my best!

  • @danduvankatasubbaiah926
    @danduvankatasubbaiah926 Жыл бұрын

    Nice sir

  • @jamesclawson5052
    @jamesclawson5052 Жыл бұрын

    THANKS many years later

  • @Hhhhh11388
    @Hhhhh113883 жыл бұрын

    thank u so much again !

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    Glad to help, again!

  • @dazeangelomayor9861
    @dazeangelomayor98613 жыл бұрын

    Thank you for the effort now I really understand what my prof said in his lecture video hahah

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    Happy to help!

  • @mukeshpatel3795
    @mukeshpatel37953 жыл бұрын

    Amazing! !!!!!

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    Thanks!

  • @senpai2799
    @senpai2799 Жыл бұрын

    Man i really hope you have a really long life to continue help us students out.... Pretty selfish no 😋.. but such is the calibre of your animation

  • @FlippingPhysics

    @FlippingPhysics

    Жыл бұрын

    So selfish. 😬 But, I also hope I have a long life. Thanks!

  • @carolinenguyen8978
    @carolinenguyen89785 жыл бұрын

    Thank you!! Could you do a rolling WITH slipping soon?

  • @wydopnthrtl
    @wydopnthrtl2 ай бұрын

    This phenomena is 100% observable, testable, and repeatable. And our vestibular system confirms it when we are in a vehicle that's translating AND rotating. So... why is it we don't observe (and feel) the speeding up and slowing down of the ground beneath us due to heliocentrism. At the middle of north america were spinning at 800mph AND traversing around the sun on a 93million mile arc at 66,700 mph. Wouldn't hot air balloons, planes, helicopters, birds, clouds, ect.. have the ground accelerate away from under them?

  • @abhisheaksharma3765
    @abhisheaksharma37655 жыл бұрын

    Nice

  • @codygoolsby-cole8081
    @codygoolsby-cole80815 жыл бұрын

    Very nice video and animations! The only comment I would add is that at 3:06 you mention that the frictional force would be static. However, for the example you have of an object rolling at a constant speed on a flat surface, there is no frictional force acting on it. There would be a static frictional force if the object were rolling down an incline without slipping.

  • @FlippingPhysics

    @FlippingPhysics

    5 жыл бұрын

    Valid point. I guess I was more considering that no object will actually roll at a constant speed on a flat surface and therefore there will always be static friction if it is rolling without slipping. I will further point out that an object rolling without slipping down an incline could have a force of drag acting on it which completely cancels out the force of gravity parallel down the incline and therefore, in theory, one could have an instance where an object is rolling without slipping down an incline and still have no force of static friction acting between the rolling object and the surface. The reality is though the an object rolling without slipping will likely always be accelerating a little bit and therefore will have a force of static friction acting on it. Wish I'd made that more clear in the video, however, considering how convoluted this whole comment is, perhaps it is best that I did not confuse people by trying to address it in the video! 😛

  • @codygoolsby-cole8081

    @codygoolsby-cole8081

    5 жыл бұрын

    @@FlippingPhysics Yes, you are quite right. Any rolling object will naturally slow down on a flat surface, but it will be due to rolling friction, not static friction. Rolling friction is usually associated with energy lost due to axles that are not perfectly frictionless and the slight deformation of the object as it is rolling. And yes, an object rolling down an incline without slipping does not necessarily have to have a static frictional force acting on it, if it has a drag force, like the example you state. I completely agree with you that sometimes the explanation for why something is the way it is is too involved/complicated that I don't discuss it in my own class -- especially for introductory courses.

  • @hafinada979
    @hafinada9793 жыл бұрын

    Awesome explanation...understood it right away👍

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    Glad it helped!

  • @rahulshukla2615
    @rahulshukla26153 жыл бұрын

    Please explain the basic difference between slipping rolling and sliding.... please sir🙏🏻🙏🏻🙏🏻...still not understood... please make a animated video on this

  • @BenTabulaRasa
    @BenTabulaRasa3 жыл бұрын

    This is a video used by our Physics Professor.

  • @matasmetlevski2101
    @matasmetlevski21014 жыл бұрын

    What was that noise in the background at 1:22 when you showed the rolling?

  • @FlippingPhysics

    @FlippingPhysics

    4 жыл бұрын

    It's called "Lost" and is from a sound effects bundle I purchased from Video Copilot. www.videocopilot.net/products/dsfx/

  • @ctrlw__7-years-ago
    @ctrlw__7-years-ago4 жыл бұрын

    3:49 “oh..right, very nice”. Idk why i found that funny😂

  • @senpai2799
    @senpai2799 Жыл бұрын

    Just want to ask that the velocity at the bottom most is going to be always 0? I mean do the velocity of translational motion and velocity due to rotational motion set in such a way (naturally) that the bottom most point's velocity is always going to be zero?

  • @FlippingPhysics

    @FlippingPhysics

    Жыл бұрын

    As long as the object is "rolling without slipping" then the point of contact will not be slipping and it will work out that way.

  • @riyasharma9770
    @riyasharma97703 жыл бұрын

    The demonstrations were amazing. Doesn't he look a bit like Leonard from Big Bang Theory though?

  • @1d438

    @1d438

    3 жыл бұрын

    Yeah ! Just differ in Height and Hair.

  • @BenTabulaRasa
    @BenTabulaRasa3 жыл бұрын

    Flipping Physics~~~!

  • @azharhussain8205
    @azharhussain82052 жыл бұрын

    Hello Sir, I have a question A wheel is rotating without slipping with a linear velocity V. What is the linear velocity of the rim of the wheel at the point surface of contact?

  • @FlippingPhysics

    @FlippingPhysics

    2 жыл бұрын

    I would suggest watching the video.

  • @calvint6434
    @calvint64343 жыл бұрын

    Can anyone explain what is the difference between R and r in the video? I don't get it, and I really need an answer.

  • @carultch

    @carultch

    2 жыл бұрын

    They both mean radius. It is common that capital R refers to radius as a dimension of an object, while lowercase r by contrast refers to radial coordinate in general. I.e. a radial distance (or vector) that identifies position in general from a reference point. This isn't always the case, but this is a general convention when there is a need to distinguish. It is analogous to the difference between width/length/height, and x/y/z. Another possible meaning is that capital R and lowercase r are both used for radius dimensions, where the capital R is usually the larger radius involved in the problem.

  • @kothakalvamurali7577
    @kothakalvamurali75774 жыл бұрын

    Very good 👍👍👍👌👌👌 sir

  • @kothakalvamurali7577

    @kothakalvamurali7577

    4 жыл бұрын

    How it is animation created you sir any websites

  • @FlippingPhysics

    @FlippingPhysics

    4 жыл бұрын

    It's a combination of Final Cut Pro, Illustrator, and Motion. I basically used a series of motion tracking shots.

  • @kothakalvamurali7577

    @kothakalvamurali7577

    4 жыл бұрын

    Sir I am Indian but your physics teaching very 👌 good any suggestions to me sir

  • @idangabay7045
    @idangabay70453 жыл бұрын

    you are the 3blu1brown of physics

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    That is high praise. Thank you!

  • @saniasultana7141

    @saniasultana7141

    2 жыл бұрын

    🙄what does it mean??

  • @whitewolf9671
    @whitewolf96714 жыл бұрын

    huge

  • @shubhambhavsar6933
    @shubhambhavsar69334 жыл бұрын

    hey u look like leonard hofstadter.

  • @salmamahameed2160
    @salmamahameed21603 жыл бұрын

    can I like this video 69420 times ?????????

  • @FlippingPhysics

    @FlippingPhysics

    3 жыл бұрын

    i wish

  • @Song-ub9rk
    @Song-ub9rk2 жыл бұрын

    anyone also thinks Sir resembles Leonard in bIg bang lol

  • @FlippingPhysics

    @FlippingPhysics

    2 жыл бұрын

    I do not

  • @ericingalls4701
    @ericingalls47013 жыл бұрын

    Why no acceleration the acceleration is the most confusing part there seems to be a million exceptions to it and you didn't do it... bahdvbkkadlhv

  • @manaspradhan8041

    @manaspradhan8041

    3 жыл бұрын

    the only thing i can recommend is practicing questions to get a hang of it. though what exceptions are you talking about exactly? because there really arent any exceptions, just rules on how we go around solving problems. what you might have learnt have exceptions might just be shortcuts(we are taught pseudoforces because they make a lot of problems easier, but i tend to ignore them becuase i dont wanna remember specific stuff that really only helps particular problems when i can just do it normally)