Assertion : Work done by the force of friction in moving a body around a closed loop is zero.
Reason : Work done does not depend upon the nature of force

Options

A. Both (A) and (R ) are true and (R ) is the correct explanation of (A)
B. Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
C. (A) is true but (R ) is false
D. (A) is false and (R ) is false

Answer

D