Ok, phillip, jane, mark, john. Nothing irritates me more than some student posting a lot of homework or test questions under differing names. Why would a volunteer help someone trying to con them?
I will be happy to critique your thinking.
a 51.0 kg uniform square sign, of edge L = 2.00 m, is hung from a horizontal rod of length dh = 3.00 m and negligible mass. A cable is attached to the end of the rod and to a point on the wall at distance dv = 4.00 m above the point where the rod is hinged to the wall.
(a) What is the tension in the cable?
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(b) What are the magnitude and direction of the horizontal component of the force on the rod from the wall? (Include the sign. Take the positive direction to be to the right.)
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(c) What are the magnitude and direction of the vertical component of this force? (Include the sign. Take the positive direction to be upward.)
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