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Hooke’s Law
*When an object is stretched, bent or deformed the restoring force is proportional to the displacement from its equilibrium position
Elastic Constant
the constant of proportionality between the applied force and the resulting displacement of a given spring
Elasticity
The ability of a body to resist a distorting influence or stress to return to its original size and shape when the stress is removed
Simple harmonic motion
where the acceleration of a body towards a particular point is proportional to its displacement from that point
Amplitude
the max distance that an object moves from its equilibrium position
frequency
the number of revolutions, cycles or oscillations an object completes per unit time
Period
The time taken to complete one full revolution, oscillation or cycle
Note 
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