1.

(A) : A work done in moving a body over a closed loop is zero for every force in nature.(R ) : Work done independ on nature of force.

Answer»

Both (A) and (R ) are true and (R ) is the CORRECT EXPLANATION of (A)
Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
(A) is true but (R ) is FALSE
(A) is false and (R ) is false

Answer :D


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