he rigid block has a weight of 80 kips and is to be supported by posts A and B. These are made of A-36 steel, and the post-C. which is made of C 83400 red brass. If all the posts have the same original length before they are loaded, determine the average normal stress developed in each post when post C is heated so that its temperature is increased by 20∘F. Posts A and B has a cross-sectional area of 8 in2 while post C has a cross-sectional area of 9in2

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Dependence on mechanical properties

The mechanical properties of materials are those structures that include the reaction to the load used. Metal switching features determine the scope of the usefulness of the content and establish the expected service life. Machine structures are also used to help distinguish and identify material objects. The most common mechanical properties considered are strength, ductility, stiffness, impact resistance, and resilience to fractures.