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Give the magnitude and direction of the net force acting on a stone of mass 0.1kg:- just after it is dropped from the window of a train accelerating with `1m s^-2`, Neglect air resistance throughout.

Text Solution

Verified by Experts

The stone will experience additional force F along horizontal direction.
`F = Ma=0.1 xx 1 = 0.1 N`
F. does not act for longer time and hence net force on the stone is
F = Mg = 0.98 N (downwards).
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