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Two forces F1 and F, act on the bolt. If the resultant force FR has magnitude FR and coordinate direction angles a and B,

 

Two forces F1 and F, act on the bolt. If the resultant force FR has magnitude FR and coordinate direction angles a and B, as shown, determine the magnitude of F, and its coordinate direction angles. Given: F1 = 20 1b FR = 50 lb a = 110 deg B = 80 deg FR

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