A ball of mass … … is thrown vertically upwards by applying a force by hand. If the hand moves … … while applying the force and the ball goes upto … … height further, find the magnitude of the force. (consider …).

Option D. According to energy conservation law,

Work Power and Energy

JEE Main 2006 · Annual, Paper 1 · Q8567

PhysicsMedium70×since 2002Q8567

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

2

m

height further, find the magnitude of the force. (consider

g = 10\,m/{s^2}