A sled is pulled through by a rope that can exert a maximum tension of

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

Problem

A sled is pulled through

20\,\text{m}

by a rope that can exert a maximum tension of

90\,\text{N}

. What is the greatest angle the rope can make with the direction of motion if at least

1.4\,\text{kJ}

of work must be done on the sled during this displacement?