Answer to Question #156403 in Mechanical Engineering for chikkam vivek pranay raj

Question #156403

A twisted steel wire of length L,cross sectional area A and modulus of elasticity E in tension . The wire is stretched horizontally between two fixed points A and B but without any initial tension . A load P is then suspended from the mid -pointC of the wire .find the vertical deflection of the mid-point C of the wire . assume that the deflection is small compared to the length of the wire.


1
Expert's answer
2021-01-19T02:32:18-0500

Workdone ="\\frac{1}{2}" ​× Stress × Strain × Volume 

Workdone ="\\frac{1}{2}" ​×Y×(strain)2×Volume

"Workdone = \n\\frac{1}{2} \u00d7Y\u00d7( \\frac{x}{l} ) 2\u00d7AL"

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