Question: Two control rods are attached at A to lever AB. Using trigonometry and knowing that the force in the left-hand rod is F1 = 120

Two control rods are attached at A to lever AB. Using trigonometry and knowing that the force in the left-hand rod is F1 = 120 N, determine

(a) The required force F2 in the right-hand rod if the resultant R of the forces exerted by the rods on the lever is to be vertical,

(b) The corresponding magnitude of R.



28° 10° OB

28 10 OB

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