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Differentiate between Stress and strain

written 3.8 years ago by kumarisanskrit204 • 20

modified 3.8 years ago by bhaskar12082000 • 0

engineering mechanics

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written 3.8 years ago by phenjoisilab • 0

Stress	Strain
1] When anybody is subjected to external loading, then elements from body will try to oppose that force, i.e. internal resistance offered by elements from body is known as stress.	1] It is the ratio of change in dimension of body due to eternal loading to original dimension of body before loading.
2] P $\rightarrow$ External Load P $\rightarrow$ Resisting Load $Stress= \frac{Resisting \ Force}{Area}$	2] $Strain = \frac{Change \ in \ dimension}{Original \ dimension}$ $\sum_x = \frac{ \delta \ L}{L}$
3] Its unit is $N/m^2$	It is unit less.

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