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A ring rolls without slipping on a horiz...

A ring rolls without slipping on a horizontal surface. At any instant its position is as shown in the figure.

A

Section ABC has greater kinetic energy than section ADC

B

Section BC has greater kinetic energy than section CD

C

Section BC has same kinetic energy as section DA

D

the sections AB, BC, CD and DA have the same kinetic energy

Text Solution

Verified by Experts

The correct Answer is:
A, B
For a pulley with mass, the strings on its two sides do not have same tension when in motion. Also, the rotating pulley has some kinetic energy derived from the loss in potential energy of the block B as it moves down.
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