A horizontal force of 15 N is required to maintain a velocity of `3ms^(-1)` in a body of mass 20 kg . How much work is done by this force in 1 mintue ?

A horizontal force of 5 N is required to maintain a velocity of 2 m / s for a block of 10 kg mass sliding over a rough surface. The work done by this force in one minute is

Force of 4 N is applied on a body of mass 20 kg. The work done in 3rd second is

How much force will be required to produce an acceleration of 4 ms ^(-2) in a ball of mass 6 kg ?

How much force will be required to produce an acceleration of 4 ms ^(-2) in a ball of mass 6 kg ?

A force of magnitude 25 N directed at an angle of 37^(@) above the horizontal moves a 10-kg crate along a horiaontal surface at constant velocity . How much work is done by this force in moving the crate a distance of 15 m ?

Certain force acting on a 20 kg mass changes it velocity from 5ms^(-1) " to " 2 ms^(-1) . Calculate the work done by the force ?

A force of 5N changes the velocity of a body from 10ms^-1 to 20ms^-1 in 5 sec. How much force is required to bring about the same change in 2 sec.