A crane pulls a stuck vehicle with a cable exerting a steady force of

PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

2.0\times10^{3}\,\text{N}

. The vehicle moves

30\,\text{m}

along level ground, and the cable does

3.0\times10^{4}\,\text{J}

of work on the vehicle. (i)

\cos\theta=

(ii)

\theta=