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Calculate the magnitude of the resultant force from the three forces. Calculate also the angle between the resultant and the $x$-direction.
Mathematics 9709 · AS & A Level · Forces and equilibrium
Forces and equilibrium — practice question
Three coplanar forces with magnitudes $250\,\text{N}$, $160\,\text{N}$ and $370\,\text{N}$ act at point $O$ in the directions shown in the diagram, where the angle $\alpha$ satisfies $\sin\alpha = 0.28$ and $\cos\alpha = 0.96$.