Q. 124.7( 3 Votes )

Give reasons for the following:

(a) A ball thrown upwards in a running train returns back to the hands.

(b) When a person moves out of a boat, it moves backward.

Answer :

Reasons:–

a) . This is due to the inertia of motion which is that the body in motion likes to stay in motion and resist and change in its state.


b) This is due to the Newtons third law of motion.


As the man is trying to push himself forward, he is simultaneously pushing the boat back.


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