1.

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

Answer»

Both 'A' and 'R' are TRUE and 'R' is the CORRECT explanation of 'A's
Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A's
A' is true and 'R ' is FALSE
A' is false and 'R' is true

Answer :D


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