Physics Elasticity Question 46

Question: A 2 m long rod of radius 1 cm which is fixed from one end is given a twist of 0.8 radians. The shear strain developed will be

[RPET 1997]

Options:

A) 0.002

B) 0.004

C) 0.008

D) 0.016

Show Answer

Answer:

Correct Answer: B

Solution:

$ r\theta =L\varphi \Rightarrow {{10}^{-2}}\times 0.8=2\times \varphi \Rightarrow \varphi =0.004 $