Answer to Question #159977 in Mechanical Engineering for Sandy

Question #159977

Find the Young's modulus of a rod of diameter 30mm and length 300 mm which is subjected to a tensile load of 60 kN and the extension of the rod is equal to 0.4mm


1
Expert's answer
2021-02-02T01:14:53-0500

Solution:


As given that,

Diameter of Rod() = 30mm

Length of Rod() = 300mm

Tensile load() = 60KN

Extension() Occurred in rod due to Tensile load = 0.4mm


In general, The Extension of Rod which is subjected to tensile load is given by the following formula,

Where,

= Cross sectional area of the rod

E = Young's Modulus of Rod


So that from above Equation, Young's modulus of the rod is given by


Young's modulus of the rod = 63.6 GN/m2

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