A boy pulls a sled applying a force of that makes an angle of with the direction of motion

PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy

Problem

A boy pulls a sled applying a force of

40\,\text{N}

that makes an angle of

120^{\circ}

with the direction of motion. How will the work done by the boy on the sled be described? (a)

\text{Positive}

(b)

\text{Zero}

(c)

\text{Negative}

(d)

\text{Cannot be determined with the given data}