A ring (R), a disc (D), a solid sphere (S) and a hollow sphere with thin walls (H), all…
Physics · JEE Advanced · NTA Exams — Rotational Motion
A ring (R), a disc (D), a solid sphere (S) and a hollow sphere with thin walls (H), all having the same mass but different radii, start together from rest at the top of an inclined plane and roll down without slipping. Then:
- all of them will reach the bottom of the incline together
- the body with the maximum radius will reach the bottom first
- they will reach the bottom in the order S, D, H and R
- all of them will have the same kinetic energy at the bottom of the incline
Answer
(C) they will reach the bottom in the order S, D, H and R, (D) all of them will have the same kinetic energy at the bottom of the incline
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