While moving a lawn roller

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

Problem

While moving a lawn roller, a student does

150\,\text{J}

of work in pulling it

10\,\text{m}

along level ground. The handle of the roller makes an angle of

60^{\circ}

with the ground. Determine the magnitude of the pulling force. (a)

60\,\text{N}

(b)

30\,\text{N}

(c)

15\,\text{N}

(d)

17\,\text{N}