Problem 3 For the shown beam. (1) Plot V and M diagram (2) Find the maximum tensile and compressive flexural stresses in the beam and indicate the location (both on beam and cross-sectional area) 2 in. 2 in. 2 in. 2000 lb 800 lb/ft 4000 1b ft B 6 in. 2 in. 3 ft 10 ft- 2 ft- (a) (b)

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Properties of materials

A property of a material describes its characteristics and distinguishes it from the others. The material properties are described it in terms of its hardness, color, appearances, and so on. The material properties generally depend on the type of material, or whether it is a metal or an alloy. There are different kinds of material properties such as mechanical properties, thermal properties, physical properties, and chemical properties. Chemical properties describe the material in terms of a chemical change. The mechanical properties come into existence when the material is acted upon by an external load. Thermal properties are associated with the temperature of the material and specific heat.