1.

(A): No work is done by the centripetal force acting on a body moving along the circumference of a circle (R) : At any instant, the motion of the body is along the tangent to the circle whereas the centripetal force is along the radius vector towards the centre of the circle

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 and .R. is FALSE
.A. is false and .R. is true

Answer :A


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