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Hi please help!:

A horizontal 14 kg balance beam is 4.8 m in length and has its center of mass at the geometrical center. The beam is supported from both ends. A m=4.0 kg mass is placed d=1.8 m from the left end of the beam

Find the normal force N2 (in Newton's) exerted on the beam by the support on the right end. Answer using three significant figures

N2= ?
3.

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