A cyclist rides at a constant speed of against a steady resistive force of

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A cyclist rides at a constant speed of

5\,\text{m/s}

against a steady resistive force of

60\,\text{N}

. Calculate the power the cyclist must supply to maintain this speed. (a)

30\,\text{W}

(b)

1500\,\text{W}

(c)

300\,\text{W}

(d)

12\,\text{W}