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23 Nov 2019

A uniform rod pivoted at oneend (point O) is freeto swing in a vertical plane in agravitational field, held inequilibrium by a force F at its otherend. The rod of length 4 m andweight 6.1 N makes an angle 35degreeswith the horizontal and theforce an angle of 56 degreeswiththe horizontal.

What is the magnitude of the force F?Answer in units ofN.

What is the magnitude ofthe force the pivot exerts on the rod atpoint O?Answer in units ofN.

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