A bar of uniform cross-sectional area1000 mm2is subjected to the force as shown in fig. Calculate the total change in length of the bar. Take E = 1.05 x 105 N/mm2.
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Answer:A steel bar with a uniform cross section is fixed at both ends. A load P = 2.5 kips is applied at point C. The bar has a cross-sectional area of 8 in^2. Calculate the reactions at joints A and B and the displacement at joint C. Assume that the modulus of elasticity E = 29,000 ksi.
Explanation: The bar has a cross-sectional area A and is subjected to the axial load P. Determine the average normal and average shear stresses acting over the shaded section, which is oriented at theta from the horizontal. Plot the variation of these stresses as a function of theta (0 theta 90 degree ). Prob. 8-24.
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