ygbrazy1119 ygbrazy1119

08-11-2022
Engineering

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a seesaw weighing 3 lb/ft of length is occupied by two children, each weighing 90 lb (see gure). 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 in the board

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