Physics

Problem

A frictional force of

250\,\text{N}

opposes the motion of a crate that slides

60\,\text{cm}

on a horizontal floor. Calculate the work done by the frictional force. a)

+150\,\text{J}

-1500\,\text{J}

-150\,\text{J}

-15\,\text{J}