Physics

Problem

A tractor pulls a roller with a constant horizontal force of

600\,\text{N}

. The roller moves forward at a steady speed of

1.5\,\text{m/s}

. What is the power developed by the tractor? a)

600\,\text{W}

900\,\text{W}

1200\,\text{W}

1000\,\text{W}