What happens to the shear modulus if the shear stress is doubled while keeping t
Practice Questions
Q1
What happens to the shear modulus if the shear stress is doubled while keeping the shear strain constant? (2019)
It doubles
It halves
It remains the same
It quadruples
Questions & Step-by-Step Solutions
What happens to the shear modulus if the shear stress is doubled while keeping the shear strain constant? (2019)
Step 1: Understand what shear modulus (G) is. It is a measure of how a material deforms under shear stress.
Step 2: Recall the formula for shear modulus: G = shear stress / shear strain.
Step 3: Identify that in this question, shear strain is kept constant.
Step 4: Note that if shear stress is doubled, the new shear stress is 2 times the original shear stress.
Step 5: Since shear strain remains the same, the formula for shear modulus becomes: G = (2 * original shear stress) / original shear strain.
Step 6: Realize that the new shear modulus is still equal to the original shear stress divided by the original shear strain, which means G does not change.
Step 7: Conclude that doubling the shear stress while keeping shear strain constant does not affect the shear modulus.
