Mathematics 9709 · AS & A Level · Forces and equilibrium

Forces and equilibrium — practice question

A block is drawn across level ground in a straight path by a force of fixed magnitude that acts at an angle of $60^{\circ}$ above the horizontal. The work done by the force in moving the block through $5\,\text{m}$ is $75\,\text{J}$.
(main)[3]

Determine the magnitude of the force.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: Apply work done $= F d \cos \alpha$

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