Question

Which of the following options CORRECTLY define Proof resilience?

• A. The maximum value of strain energy upto elastic limit
• B. The minimum value of strain energy beyond the elastic limit
• C. The maximum value of kinetic energy
• D. The minimum value of strain energy

Answer 1

Answer:

A. The maximum value of strain energy upto elastic limit

Proof resilience is the maximum energy stored in a body up to the elastic limit. When a body is loaded within the elastic limit, it changes its dimensions and on removal of the load, it regains its original dimensions. The energy stored in a body when strained within the elastic limit is known as strain energy. Modulus of resilience is defined as proof resilience per unit volume and is the area under the stress-strain curve up to the elastic limit.