F ! mechanical problem...

Classical Mechanics Level 2

Two forces of magnitudes F F and 3 F \sqrt{3}F act at a point. If the resultant force has a magnitude of F F , find the measure of the angle between them.

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Sandra Mounir Philippe by Sandra Mounir Philippe , 25, Egypt

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1 solution

Umang Vasani
Jun 9, 2014

Use the equation for vector summation of force on a point as F n e t = F 1 2 F 2 2 + 2 F 1 F 2 cos ⁡ θ F_{net} = \sqrt{ F_{1}^{2} F_{2}^{2} + 2F_{1}F_{2} \cos \theta}

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