A crate is pulled along a straight horizontal floor by a constant 50 N force that…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A crate is pulled along a straight horizontal floor by a constant 50 N force that acts at an angle of

60^{\circ}

above the horizontal. The crate moves 4 m horizontally in the forward direction. Calculate the work done by the 50 N force. (a)

173\,\text{J}

(b)

100\,\text{J}

(c)

0\,\text{J}

(d)

200\,\text{J}