A wire 4m long is stretched horizontally between points A and B 4m apart. A load W placed at the center of the wire produces a sag of 53.4mm, a. If the wire is 25mm2 in cross-section and the Young’s modulus is 200GPa, what is the magnitude of load W? b. If the load was reduced by 40%, what will be the sag?

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Thermal Properties of Materials

In mechanical engineering, the thermal property is represented as the physical quantity that is relevant to the application of heat. The thermal properties are evaluated by variations in any specific material due to low heat or high heat. The quantities that influence the thermal property of the materials are mass, density, temperature, and many others.