A sled is pulled over level ground by a constant horizontal force of and moves with a…

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A sled is pulled over level ground by a constant horizontal force of

120\,\text{N}

and moves with a steady velocity of

0.80\,\text{m\,s}^{-1}

. (i) Calculate the power developed by the person pulling the sled. (ii) How much work will be done by this force in

5\,\text{minutes}

if the same conditions are maintained?