Mechanics of Materials
11th Edition
ISBN: 9780137605460
Author: Russell C. Hibbeler
Publisher: Pearson Education (US)
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A 100 mm x 100 mm x 100 mm cube made with glass polymers in the y-
direction is subjected to a tensile load of 100 kN along the y-direction. However,
the cube is constrained against deformation in the x and z directions. Given the
following properties:
Ex = 20 GPa
Ey = 50 GPa
Ez = 20 GPa
vxy = 0.25
vxz = 0.5
vyz = 0.25
(a) Compute for the change in length of the cube in the y-direction and;
(b) Determine the stresses, σx, σy, σz
A rod is subjected to a uniaxial load within linear elastic limit. When the change in the stress is 200 MPa, the change in the strain is 0.001. Calculate the modulus of rigidity if the poisson's ratio is 0.3.
A steel rod with a cross-sectional area of 150 mm² is stretched between two fixed points. The tensile load at 20°C is 5577 N. What
will be thestress at 25°C?
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