Three coplanar forces of magnitudes FN, 65N and 50N act at a point in the directions shown in the diagram.
6(a)Forces EquilibriumHard5 marks
It is initially given that F=40.
Find the magnitude and direction of the resultant force.
Working
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Magnitude and direction of the resultant force
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6(b)Forces EquilibriumMedium3 marks
It is given instead that the value of F is such that the component of the resultant force in the y-direction is zero.
Find the magnitude and direction of the resultant force.