Q. 154.8( 4 Votes )

An apple falls from a tree because of gravitational attraction between the earth and apple. If F1 is the magnitude of force exerted by the earth on the apple and F2 is the magnitude of force exerted by apple on earth, then
A. F1 is very much greater than F2

B. F2 is very much greater than F1

C. F1 is only a little greater than F2

D. F1 and F2 are equal

Answer :

From Newton’s third law of motion: Every action has equal and opposite reaction.


Thus, F1 =F2


where, F1 is the magnitude of force exerted by the earth on the apple and F2 is the magnitude of force exerted by apple on earth.

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