Physics

Problem

A gardener pulls a lawn roller with a force of

20\,\text{N}

making an angle of

60^{\circ}

with the horizontal. The roller moves

5\,\text{m}

along the ground. Calculate the work done by the force. a)

86.6\,\text{J}

100\,\text{J}

50\,\text{J}

-50\,\text{J}