A seesaw weighing 3 lb/ft of length is occupied by two children, each weighing 90 lb. 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 in psi? 3200 O 3420 3960 O 3150
A seesaw weighing 3 lb/ft of length is occupied by two children, each weighing 90 lb. 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 in psi? 3200 O 3420 3960 O 3150
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A seesaw weighing 3 lb/ft of length is occupied by two children, each weighing 90 lb. 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 in psi?
3200
O3420
3960
O 3150
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