1.

A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes upto 2m height further, the magnitude of the force is, (g= 10 ms^(2))

Answer»

`4N`
`16N`
`20N`
`22N`

ANSWER :C


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