Question

A body of mass 5 kg is placed at origin and can move only the X_axis is the force of 10 Newton is acting on it in a direction making an angle of 60 degree with the x-axis and displays it along the x-axis by 4 metres the work done by the force is what

Answer 1

the work done =FS cos 60
=10*4*1/2
=20 j