A boy pushes a toy box 2.0 m along the floor by means of a force of 10 N directed downward at an ang

Question

A boy pushes a toy box 2.0 m along the floor by means of a force of 10 N directed downward at an angle of $60^{\circ}$ to the horizontal. The work done by the boy is

Professor PC Thomas Classes · Answer

Work $W = F d \cos	heta = 10 	imes 2 	imes \cos(60^\circ) = 10 	ext{ J}$.