The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called A. Stiffness B. Proof resilience C. Proof stress D. Proof load

Stiffness
Proof resilience
Proof stress
Proof load

The correct answer is: B. Proof resilience

Proof resilience is the strain energy stored in a spring when subjected to the greatest load without being permanently distorted. It is a measure of the spring’s ability to absorb energy without being damaged.

Stiffness is the resistance of an object to deformation under an applied force. It is a measure of how difficult it is to bend, stretch, or compress an object.

Proof stress is the maximum stress that a material can withstand without permanent deformation. It is a measure of the material’s strength.

Proof load is the load that causes a material to reach its proof stress. It is a measure of the material’s load-bearing capacity.

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