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A ball moves on a frictionless inclined ...

A ball moves on a frictionless inclined table without slipping. The work done by the surface on the ball is :

A

positive

B

negative

C

zero

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
`(3)`

Motion without slipping implies pure rolling. During pure rolling work done by friction force is zero.
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NARAYNA-WORK , ENERGY & POWER -EXERCISE -III
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  2. A body of mass 10 kg initially at rest acquires velocity 10 ms^(-1). W...

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  3. A ball moves on a frictionless inclined table without slipping. The wo...

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  4. Two identical balls A and B collide head on elastically. If velocities...

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  5. Water falls from a height of 60 m at the rate 15 kg//s to operate a tu...

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