The rigid bar shown is supported by axial bar (1) and by a pin connection at C. Axial bar (1) has...
The rigid bar shown is supported by axial bar (1) and by a pin
connection at C. Axial bar (1) has a cross-sectional area
of A1 = 250 mm2, an elastic modulus
of E = 200 GPa, and a coefficient of thermal expansion of
α= 11.3 × 10-6/°C. The pin at C has a diameter
of 40 mm. After load P has been applied and the
temperature of the entire assembly has been increased by 10°C, the
total strain in bar (1) is measured as 875 με (elongation). AssumeL1 = 270 mm, a = 530 mm, b =
150 mm, and c = 275 mm.Determine
(a) the magnitude of load P.
(b) the average shear stress in pin C.
Answers:
| (a) | P = |  kN |
| (b) | τC |  MPa |
Homework Answers
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