Find the magnitude of the third force

Reference no: EM13243926

Three horizontal forces (the only horizontal ones) act on a box sitting on a floor. One (call it F1) acts due east and has a magnitude of 150lb. A second force (call it F2) has a westerly compontent of 30.0 lb and a southerly component of 40.0 lb. The box remains at rest. (Neglect friction.) Find the magnitude of the third force.

Reference no: EM13243926

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