A body mass 4kg initiallay at rest is moved by a horizntally force 1N on a frictionless table. Find the work done by the force in 4s. Show that this equals the change in K.E. of the body.

A body of mass 2 kg initially at rest is moved by a horizontal force of 0.5 N on a smooth frictionless table. Obtain the work done by the force in 8 s and show that this equals the change in kinetic energy of the body.

A body of mass 2.0 kg initially at rest is moved by a horizontal force of 0.50 N on a smooth table. Find the work done by the force in 8.0 s and show that this equals the change in the kinetic energy of the body.

A body of mass 500 g initially at rest is moved by a horizontal force of 1 N. Calculate the workdone by the force in 20s and show that is equal to the change in kinetic energy of the body.

A body of mass 1 kg is initially at rest is moved by a horizontal force of 0.5 Nona smooth frictionless table. The value of work done by this force in 10 s is

A body of mass 2 kg is rest on a smooth horizontal surface . When a horizontal force of 0.5 N acts on this bofy it is displaced in the direction of the force . Find the work done by the force in 8.0 s .Show that this work is equal to the change in kinetic energy of the body .

Show that the work done by an external constant force on a body is equal to the change in kinetic energy of the body.

A body of mass 50 grams is moving with a cosntant velocity 2 cm/s on a horizontal frictionless table. The force on the table is:-

A body of mass 50 grams is moving with a cosntant velocity 2 cm/s on a horizontal frictionless table. The force on the table is:-

A force of 5 N acts on a 15 kg body initially at rest. The work done by the force during the first second of motion of the body is