A ball of mass $0.2 \mathrm{~kg}$ is thrown vertically upwards by applying a force by hand. If the hand…
A ball of mass $0.2 \mathrm{~kg}$ is thrown vertically upwards by applying a force by hand. If the hand moves $0.2 \mathrm{~m}$ which applying the force and the ball goes upto $2 \mathrm{~m}$ height further, find the magnitude of the force. Consider $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2$