Force Exerted by Contracting or Stretching a Material
Any strain exerted on a material causes an internal elastic stress. The force applied on a material when contracting or stretching is related to how much the length of the object changes.
Force Exerted by Contracting or Stretching a Material formula |
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\(\large{ F = \frac { \lambda \;A\; l_c } { l_o } }\) | ||
Symbol | English | Metric |
\(\large{ F }\) = force exerted | \(\large{lbf}\) | \(\large{N}\) |
\(\large{ l_c }\) = change in length | \(\large{ft}\) | \(\large{m}\) |
\(\large{ l_o }\) = origional length | \(\large{ft}\) | \(\large{m}\) |
\(\large{ \lambda }\) (Greek symbol lambda) = modulus of elasticity | \(\large{\frac{lbf}{in^2}}\) | \(\large{Pa}\) |
\(\large{ A }\) = origional area cross-section through which the force is applied | \(\large{ft^2}\) | \(\large{m^2}\) |
Tags: Force Equations