Chapter 13 -- Elasticity
Chapter 13 -- Elasticity
Chapter 13 -- Elasticity
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Summary of Definitions<br />
Stress is the ratio of an applied force F to the<br />
area A over which it acts:<br />
Stress<br />
F<br />
A<br />
Units : Pa <br />
N or<br />
m<br />
lb<br />
in.<br />
<br />
2 2<br />
Strain is the relative change in the dimensions or<br />
shape of a body as the result of an applied stress:<br />
Examples: Change in in length per unit length;<br />
change in in volume per unit volume.
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