if each step is of 1cm then find the total work done to put a box of mass 5kg by a man of mass 40kg at height 'H'.

Find the gravitational force between a man of mass 50 kg and a car of mass 1500 kg separated by 10 m.

A 10 kg mass moves x-axis. Its acceleration as function of its position is shown in the figure. What is the total work done on the mass by the force as the mass moves from x = 0 to x = 8 cm ?

A person of mass 40 kg picked up a bag of mangoes and climbed ten steps . If the bag contains ten mangoes , each of mass 0.5 kg and the height of each step is 10 cm , then find the work done by the person in carrying that till tenth step (Take g = 10 m s^(-2) ).

The work done in lifting a mass of 1 kg to a height of 9.8 m is

The work done in lifting 1 kg mass to a height of 9.8 m is about

What is the work done by a coolie of mass 80 kg, standing with a rice bag of 50 kg on his shoulder ?