Question

steel rod of 1.5 m long and 20 mm diameter is subjected to an axial pull of 100 kN. Find the
change in length and diameter, if E = 200 GPa and Poisson’s ratio is 0.32

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

The volumetric strain occurred in material, ev is given by

Or

Let σx , σy , σz denotes the stress in x, y and z direction respectively.

σx = 100 MPa

σy = σz = 0 as there is no force in y and z direction.

⇒ ev = 25 × 10-5

Also, we know that

ΔV = 150 mm3