Question

what is stress and strain​

Answer 1

Explanation:

Stress is the restoring force set up per unit area

Stress = F/A

Strain is the ratio of change in dimension to the original dimension

Strain = l/L

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Answer 2

Answer:

Stress is the body's reaction to any change that requires an adjustment or response. The body reacts to these changes with physical, mental, and emotional responses. Stress is a normal part of life. You can experience stress from your environment, your body, and your thoughts.