A winch pulls a crate along a level warehouse floor by delivering a constant…

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A winch pulls a

65\,\text{kg}

crate along a level warehouse floor by delivering a constant mechanical power of

520\,\text{W}

for

6.0\,\text{s}

. Neglect friction. Calculate the increase in the crate’s kinetic energy at the end of the

6.0\,\text{s}

interval.