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Is there such a thing as a truly rigid body? If so, give an example. If not, explain why.

Is there such a thing as a truly rigid body? If so, give an example. If not, explain why.

Grade:10

2 Answers

shubham sharda
360 Points
8 years ago
I don’t believe there is any truly rigid body.
Jitender Pal
askIITians Faculty 365 Points
8 years ago
A rigid body is the on which shows no deformation as the time progresses that is the distance between any two particles of the body remains constant as the time progresses. One can see this from the fact that no two particles of a body experience exactly the same amount of forces. This effect can be seen in situations where the center of gravity of the object is not at the same point as the center of mass.
The shift in the center of gravity of the object is caused because the acceleration due to gravity for the particle at the top is relatively smaller than the particle at the bottom. However, this amount is very small and can be approximated.

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