Question
A falling apple is attracted towards the earth.
(a) Does the apple attract the earth?
(a) Does the apple attract the earth?
(b) Why doesn’t earth move towards an apple?
(b) Why doesn’t earth move towards an apple?
ANS. B According to Newton's second Law, for a given force, acceleration a $\propto \frac{1}{m}$. Here mass of an apple is negligibly small compared to earth. So we cannot see the earth moving towards an apple.
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