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NEET 2002 (AIPMT) · Rolling Motion

Rolling Motion question from NEET 2002 (AIPMT)

Q90NEET 2002 · AIPMTDifficult

Rolling Motion

A solid sphere of radius R is placed on smooth horizontal surface. A horizontal force F is applied at height h from the lowest point. For the maximum acceleration of centre of mass, which is correct?

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Answer: (d)

The surface is smooth, so there is no friction; the only horizontal force is $F$ .
$a_{cm} = \dfrac{F}{M}$ whatever the height $h$ (h only changes the angular acceleration).
So the answer is (d) no relation between h and R.

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