A gardener pushes a lawn roller with a constant horizontal force of through a…

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

Problem

A gardener pushes a lawn roller with a constant horizontal force of

80\,\text{N}

through a distance of

15\,\text{m}

30\,\text{s}

. Calculate the power delivered by the gardener. (a)

20\,\text{W}

(b)

160\,\text{W}

(c)

40\,\text{W}

(d)

60\,\text{W}