Question

if a ball is suspended in between two inclined planes will it roll forever??​

Answer 1

Answer:

It cannot accelerate the body, for it has no component in either direction that the body could move. So we conclude that there's no force that can change the horizontal motion of the body, and no torque to change its rotation, so therefore if it's rolling, it will roll forever without deceleration.

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Answer 2

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It cannot accelerate the body, for it has no component in either direction that the body could move. So we conclude that there's no force that can change the horizontal motion of the body, and no torque to change its rotation, so therefore if it's rolling, it will roll forever without deceleration.

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