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Answer on Mechanics | Relativity Question for Kristen

Question #16160
a uniform rod of length 5m and weight 20N us supported at the 1 meter mark and at the 4 meter mark. a painter of weight 750N stands at the 3 meter mark. calculate the reaction at each support
Expert's answer
2 * 16 + 2 * 750 - 3 * F2 - 0.5 * 4 = 0
1 * 750 + 2 * 16 - 3 * F1 - 0.5 * 4 =
0

F1 = (750 + 32 - 2) / 3 = 26 N
F2 = (1500 + 32 - 2) / 3 = 510 N

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