The Young's modulus of a material is 125 GPa and Poisson’s ratio is 0.25. The modulus of rigidity of me material is
A. 30 GPa
B. 50 GPa
C. 80 GPa
D. 100 GPa
Answer: Option B
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Related Questions on Strength of Materials in ME
A. Equal to
B. Less than
C. Greater than
D. None of these
A. $$\frac{{{\text{w}}l}}{6}$$
B. $$\frac{{{\text{w}}l}}{3}$$
C. $${\text{w}}l$$
D. $$\frac{{2{\text{w}}l}}{3}$$
The columns whose slenderness ratio is less than 80, are known as
A. Short columns
B. Long columns
C. Weak columns
D. Medium columns
1/m(poisson's ratio) =0.25
m=4
Modulus of elasticity=125GPa
Modulus of rigidity(C) =mE/2(m+1) =125x4/2(4+1)
=500/10
=50GPa