Within Proportionality Limit Stress is

Answer: A –  directly proportional to strain.

According to Hooke’s law, within proportionality limit stress is directly proportional to strain.

Solution:

Hooke’s law states that under direct loading, within the proportionality limit, stress is directly proportional to strain.

Stress ∝ Strain

σ = E∈  

Where the constant of proportionality, E, is known as Young’s modulus of elasticity. 

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