SOLUTION: The safe load, L, of a wooden beam supported at both ends varies jointly as the width, w, the square of the depth, d, and inversely as the length, l. A wooden beam 9in. wide, 7in.
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Question 1167315: The safe load, L, of a wooden beam supported at both ends varies jointly as the width, w, the square of the depth, d, and inversely as the length, l. A wooden beam 9in. wide, 7in. deep, and 11ft long holds up 2165lb. What load would a beam 5in. wide, 10in. deep and 19ft long of the same material support? (Round off your answer to the nearest pound.) Answer by josgarithmetic(39630) (Show Source):
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