A gardener pulls a lawn roller and the handle makes an angle of with the direction of…

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

Problem

A gardener pulls a lawn roller and the handle makes an angle of

95^{\circ}

with the direction of displacement of the roller. What is the sign of the work done by the gardener on the roller? (a)

\text{Positive}

(b)

\text{Negative}

(c)

\text{Zero}

(d)

\text{Cannot be determined without knowing the force}