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a sign of mass 20.0 kg is supported at the end of a uniform beam of...

a sign of mass 20.0 kg is supported at the end of a uniform beam of mass 10.0 kg and length 2.00!m. the beam makes an angle of 30.0 degrees with the horizontal. a wire is attached from the end of the rod to a point on the wall and makes an angle if 20.0 degrees to the horizontal.

what is the tension of the wire.

what are the magnitudes of the horizontal and vertical components of the reaction force (R) that the wall exerts on the left end of the beam?
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