forces and elasticity

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5 Terms

1
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Relationship between force and extension

The force applied to an object is directly proportional to the extension, as long as the limit of proportionality is not exceeded.

2
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what is meant by an Inelastic (plastic) deformation

-Deformation that causes the object to be permanently stretched -object does not return to its original shape after the force is removed.

3
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state the equation relating force, spring constant and extension. appropriate units

Force= Spring Constant x extension Force (N), Spring Constant (N/m), Extension (m)

4
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Energy stored in a stretched spring

elastic potential energy.

5
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What can extension be replaced with in the equation for spring force?

'compression'