Structural Analysis
Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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5.
The amount of bending of a beam supported at both ends and loaded at the center
varies directly as the load times the cube of the length in feet and inversely as the
width in inches times the cube of the depth in inches. A beam 20 ft long, 5 inches
wide, and 4 inches thick, supported 21 inches. What must be the depth of the
beam of the same material, length, and width that shall bend only
under the same load?
4
3
of an inch
4.
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Transcribed Image Text:5. The amount of bending of a beam supported at both ends and loaded at the center varies directly as the load times the cube of the length in feet and inversely as the width in inches times the cube of the depth in inches. A beam 20 ft long, 5 inches wide, and 4 inches thick, supported 21 inches. What must be the depth of the beam of the same material, length, and width that shall bend only under the same load? 4 3 of an inch 4.
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