Rohit pushed a toy truck and it moved a distance of 10 m . How much force did Rohit apply through the push , if the work done by him is 1000 J ?

Rahul pushed a toy car and it moved a distance of 5 m. If the work done by Rahul is 1500 J, how much force did he apply through the push?

55,000 J of work is done to move a rock 25 m. How much force was applied ?

If a person moves a trolley for a distance of 10 m with a force of 50 , then the work done is:

An object of mass 5kg falls from rest through a verticle distance of 20m and reaches a velocity of 10ms^-1 . How much work is done by the push of the air on the object? (g = 10 ms^2)

A gardener pushes a lawn roller through a distance 20m. If he applies a force of 20 kg -wt in a direction inclined at 60^@ to the ground , the work done by him is

A force F is applied on a lawn move at an angle of 60^(@) with the horizontal. If it moves through a distance x , the work done by the force is

(a) Which of the following does the most work : a force of 3N acting through a distance of 3 m or a force of 4N acting through a distnace of 2m? (b) How much work is done by the centripetal force?

An object of mass 5 kg falls from rest through a vertical distance of 20 m and reaches a velocity of 10 m/s. How much work is done by the push of the air on the object ? (g=10m//s^(2)).