Questions
A metal rod is subjected to tensile force and longitudinal strain produced in the rod is 0.02. If Poisson’s ratio of the metal is 0.3, the change produced in its volume is
detailed solution
Correct option is B
V=πr2l∴ ΔVV=2Δrr+ΔllBut Δrr=−σ × Δll∴ ΔV×100V=1−2σ × Δll× 100% =1−2 × 0.3 × 0.02 × 100%=0.8%Talk to our academic expert!
Similar Questions
A metallic cube is acted upon by a tensile force F acting normally on each of six faces as shown in figure. If Poisson's ratio of metal is 0.2 and longitudinal strain produced in the cube is 0.01, then percentage change produced in the volume is
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