A cyclist supplies a constant mechanical power of to the rear wheel as the bicycle…

PHYSICS · Subjective · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

A cyclist supplies a constant mechanical power of

120\,\text{W}

to the rear wheel as the bicycle moves straight ahead at a steady speed of

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

. Assuming the chain force on the wheel is directed parallel to the motion, determine the magnitude of this force.