Physics, 26.10.2019 04:43 wednesdayA

The strength of a rectangular beam varies jointly with its width and the square of its thickness. if a beam 4 inches wide and 2 inches thick supports 480 pounds, how much can a beam of the same material that is 3 inches wide and 1 inch thick support?

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The strength of a rectangular beam varies jointly with its width and the square of its thickness. if...