Physics

Physics

Problem

A girl pulls a trolley with a force of

20\,\text{N}

and the trolley moves

15\,\text{m}

. If the work done is

200\,\text{J}

, determine the angle

\theta

between the force and the direction of motion. a)

42^{\circ}

b)

48^{\circ}

c)

60^{\circ}

d)

37^{\circ}

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