What is the work done by the force of gravity on a ball of mass 1 kg when thrown upwards, with attaining the maximum height of 4 m. (given, acceleration due to gravity, g = 10 m/s2).

What is the work done by the force of gravity on a ball of mass 1 kg when thrown upwards, with attaining the maximum height of 4 m. (given, acceleration due to gravity, g = 10 m/s2).