A body is acted upon by a constant horizontal force
PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A body is acted upon by a constant horizontal force. The work done by the force is plotted against time and the graph is a straight line through the origin with a constant positive slope. Which one of the following correctly describes the power developed by the force?
(a) Increases linearly with time
(b) Zero at all times
(c) Constant and non-zero
(d) Increases proportionally to t2