Chapter 11 â Equilibrium and Elasticity - UCF Physics
Chapter 11 â Equilibrium and Elasticity - UCF Physics
Chapter 11 â Equilibrium and Elasticity - UCF Physics
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∆L<br />
Strain = ( fractional change in length of the specimen)<br />
L<br />
F ∆L<br />
Stress = (Young’s modulus) x Strain = E<br />
A L<br />
Units of Young modulus: F/m 2<br />
Shearing:<br />
Stress =<br />
F<br />
A<br />
( F= force in the plane of the<br />
area A)<br />
F<br />
A<br />
= G<br />
∆x<br />
L<br />
Strain<br />
∆x<br />
= ( fractional change in length of the specimen)<br />
L<br />
Stress = (Shear modulus) x Strain<br />
Hydraulic stress:<br />
Stress = Fluid pressure = p =<br />
Hydraulic Stress = (Bulk modulus) x Hydraulic compression<br />
Strain<br />
∆V<br />
=<br />
V<br />
F<br />
A<br />
∆V<br />
p = B<br />
V
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