A seesaw weighing 3 lb/ft of length is occupied by two children, each weighing 90 lb (see
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A seesaw weighing 3 lb/ft of length is occupied by two children, each weighing 90 lb (see figure). The center of gravity of each child is 8 ft from the fulcrum. The board is 19 ft long, 8 in. wide, and 1.5 in. thick. What is the maximum bending stress on the board?
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d b 8 in q3 lbft Mmax S max bh 6 ...View the full answer
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Sinmon Warui Kamau
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