12. A rectangular sign board over a store has a mass of 100 kg, with the center of mass in the center of the rectangle.
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12. A rectangular sign board over a store has a mass of 100 kg, with the center of mass in the center of the rectangle.
12. A rectangular sign board over a store has a mass of 100 kg, with the center of mass in the center of the rectangle. The support against the wall at point C may be treated as a ball-and-socket joint. At corner D support is provided in the x- direction only. Calculate the tensions T1 and T2 in the supporting wires, the total force supported at C, and the lateral force R supported at D. 1.5 m T 2.5 m T, 2.5 m C 1m TOYS 1 m 4 m
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