A ball of mass 0.2kg is thrown vertically upwards by applying a force by hand.

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asked Mar 21, 2018 in Physics by paayal (26,720 points) 4 6 57

A ball of mass 0.2kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2m which applying the force and the ball goes upto 2m height further, find the magnitude of the force. Consider g = 10m/s2

(a) 22N 

(b) 4N 

(c) 16N 

(d) 20N.

1 Answer

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answered Mar 21, 2018 by sanjaydas (61,430 points) 5 7 7
selected Mar 24, 2018 by Vikash Kumar
 
Best answer

d) : Work done by hand = Potential energy of the ball

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