(A) : A force acts on the earth revolving in a circular orbit about the sun and work should be done on the earth. (R) : The centrifugal force for circular motion of earth, comes from the gravitational force between earth and sun.

(A) : A force acts on the earth revolving in a circular orbit about th

1.	(A) : A force acts on the earth revolving in a circular orbit about the sun and work should be done on the earth. (R) : The centrifugal force for circular motion of earth, comes from the gravitational force between earth and sun.
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 Both (A) and (R) are false Answer :D