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when a sphere purely rolls down an incli...

when a sphere purely rolls down an inclined plane, then identify the correct statement related to the work done by friction force

A

the friction force does positive translational work

B

the friction force does negative rotational work

C

the net work done by friction is zero

D

positive, negative or zero depends on inclination of plane

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AAKASH INSTITUTE-TEST 5-EXAMPLE
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