(i)[3]
Show that the value of $F$ is $41.0$, correct to 3 significant figures.
(ii)[2]
Find the numerical value of $G$.
Mathematics 9709 · AS & A Level · Forces and equilibrium
Forces and equilibrium — practice question
At point $O$, four horizontal forces are balanced, so the forces are in equilibrium. Their magnitudes are $F$ N, $G$ N, $15$ N and $F$ N, and they act in the directions shown in the diagram.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Resolve the forces in the $x$ direction to obtain $15 + F\cos 60^\circ = F\cos 30^\circ$” …
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