Question

Strain energy per unit volume is given by:

Options

• Stress + Strain

• ½ × Stress × Strain

• Stress × Strain

• 2 × Stress × Strain

Answer 1

2 × Stress × Strain

Explanation:

Strain energy per unit volume equals half the product of stress and strain, derived from the formula: Work per unit volume = ½(F/A)(l/L).