Mathematics 9709 · AS & A Level · Forces and equilibrium

Forces and equilibrium — practice question

The diagram shows four coplanar forces of magnitudes $40\,\text{N}$, $20\,\text{N}$, $50\,\text{N}$ and $F\,\text{N}$ acting at a point in the directions indicated. These four forces are in equilibrium.
(main)[6]

Find the values of $F$ and $\alpha$.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: Tries to resolve the forces in either direction with the correct number of terms

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