Motion Under Gravity | Free Fall
Which Ball will hit the Ground First? Light or Heavy Ball?
Let's learn about Motion Under Gravity and Free Fall!
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Motion under gravity and free fall are two related concepts in physics that describe the motion of objects near the surface of the Earth when only the force of gravity is acting on them.
Motion under gravity refers to the motion of an object when the only force acting on it is the force of gravity. On the surface of the Earth, this force is directed downward, toward the center of the Earth. The object may have an initial velocity or be at rest, but gravity causes it to accelerate in the downward direction. The mathematical description of such motion can be done using the equations of motion, and the key characteristics of motion under gravity include acceleration due to gravity (usually denoted as 'g'), velocity, time of flight, and the maximum height reached (if the object is projected upward).
Free fall is a specific case of motion under gravity where an object is dropped from a certain height or released from rest, and it falls under the sole influence of gravity. During free fall, the only force acting on the object is the gravitational force, and it accelerates at a constant rate of approximately 9.8 m/s² near the surface of the Earth (this value may vary slightly with location and altitude). The motion of an object in free fall is characterized by the following:
- Constant acceleration due to gravity (g).
- The object's initial velocity is usually zero.
- The object accelerates downward at a rate of g.
- The velocity of the object increases with time.
- The object covers equal distances in equal intervals of time.
Free fall is a fundamental concept in physics and is often used to explain and analyze a wide range of phenomena, including the motion of objects dropped from heights, the behavior of objects in free-fall experiments, and the motion of celestial bodies influenced by gravity.
It's important to note that in a vacuum, where there is no air resistance, all objects in free fall, regardless of their mass, fall at the same rate due to gravity. This principle is famously demonstrated by dropping a feather and a hammer on the Moon, where there is no significant atmosphere to create air resistance. Both objects fall at the same rate, as predicted by the laws of motion under gravity.
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What about air resistance.
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@ManochaAcademy
11 күн бұрын
Most welcome
How force is calculated as 0.1 N and another force 1N
@user-cy7rv8ux8z
18 күн бұрын
See The weight of any body can be calculated by the formula: W (weight) = Mass (m) * acceleration due to gravity (g) ° Note that the physical quantities involved are to be used in their standard units, i.e, mass in kg and acceleration due to gravity in m/s So given that the masses of the two balls are 10 g and 100 g respectively. Converting the mass into kgs, we get: 0.01kg and 0.1 kg. Using formula we get their weight as 0.1 kg*m/s, i.e., 0.1 N ( Newton [N] = kg*m/s) and 1 N I hope you understand
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I was studying about this only. Thanks for the video. Liked it!
@ManochaAcademy
6 ай бұрын
Great 😃
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@ManochaAcademy
6 ай бұрын
Thanks a ton!
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@ManochaAcademy
6 ай бұрын
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@BakareKehinde-tq4xr
6 ай бұрын
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@ManochaAcademy
6 ай бұрын
Thank you 😊
I am studying gravity only and suddenly this video comes😅
@ManochaAcademy
6 ай бұрын
Great 👍😃
@cicholasnage
6 ай бұрын
ikr? same here. I was just pondering on my notebook on how gravity, mass, air resistance affect free fall. And this video popped up😅
@AdreesQureshi-wv7sz
4 ай бұрын
9th class
Sir I uses to watch your videos since class 6 you have become my inspiration. ❤ from West Bengal.
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At what condition acceleration due to gravity of falling parachute is 0?
Thankyou sir❤❤
@ManochaAcademy
6 ай бұрын
Most welcome!
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Sir, What about class xii
@ManochaAcademy
6 ай бұрын
We will be posting more videos for Class 11 and 12!
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Super explaination
Why t squared in equation 2 an d why is v and u squared in equation 3 please explain with diagram
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@ManochaAcademy
6 ай бұрын
Thanks 😊
From which state
Thx sir
According to Newton second law of motion, acceleration produced on a body is inversely proportional to the mass of a body.But acceleration due to gravity is independent of mass.why??
Sir please upload for class 7 ICSE.
The example of car&truck is non familiar with the topic. There is a difference between rectilinear path and upward-downward path/free fall.
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@ManochaAcademy
6 ай бұрын
Thanks 😊
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Hello
R.I.P phone,because of gravity phone died❤
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@ManochaAcademy
6 ай бұрын
Haan, humme aur Hindi videos dalne Hain :)
What’s gonna happen , when we roll the paper in the shape of ball.
I was sitting under a tree and a Apple fall then i watched this video 😂
Wow! This is an amazing video! Loved the real life applications :) Hope nothing happend to your phone 😅😂
@ManochaAcademy
6 ай бұрын
Ha ha 😊 Thanks!
Thank you very much sir