Question

The strain energy stored in a body due to a suddenly applied load compared to when it is applied gradually is

• A. Two times
• B. Three times
• C. Four times
• D. No Change

Hint:

When a load is applied suddenly, the strain energy stored in the body is higher compared to when it is applied gradually.

Answer 1

The Correct Option is C

Step 1: Strain Energy Explained.
Strain energy represents the energy accumulated within a deformed material. A suddenly applied load results in greater strain energy compared to a gradual load, because gradual loading allows for a more controlled deformation process.Step 2: Derivation.
With sudden loading, the strain energy is four times greater than that resulting from gradual loading, which allows for a more stable deformation path. Final Answer: \[ \boxed{4 \text{ times}} \]