Question
Question: Which of the following statements is incorrect?...
Which of the following statements is incorrect?
A
When a material is under tensile stress, the restoring forces are caused by inter atomic attraction while under compressional stress, the restoring force is due to inter atomic repulsion.
B
The stretching of a coil is determined by its shear modulus.
C
Rubber is more elastic than steel.
D
Shearing stress plays an important role in the buckling of shafts.
Answer
Rubber is more elastic than steel.
Explanation
Solution
: Steel is more elastic than rubber. All other statements are correct.