A tractor pulls a trailer through a horizontal distance of with a tow-cable that…

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

Problem

A tractor pulls a trailer through a horizontal distance of

10\,\text{m}

with a tow-cable that maintains a constant tension of

100\,\text{N}

30^{\circ}

above the horizontal. Find the work done by the tension in the cable. (a)

5.0\times10^{2}\,\text{J}

(b)

8.7\times10^{2}\,\text{J}

(c)

1.0\times10^{3}\,\text{J}

(d)

-8.7\times10^{2}\,\text{J}