describes elongation & how the force is related to the distance
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spring (restoring) force
F=-kx, where k is the spring constant and x is the displacement of the spring from its unstrained length. The minus sign indicates that the restoring force always points in a direction opposite to the displacement of the spring from its unstrained length (newton’s law of action & reaction).
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elongation
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angular frequency
because ‘w’ is directly proportional to the frequency f, w is often called the
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period
the time required to complete one cycle for any object in simple harmonic motion
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simple harmonic motion
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amplitude ‘A’
the maximum displacement from equilibrium position
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elastic PE
the energy that a spring has by virtue of being stretched or compressed (kx^2/2)
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simple pendulum
a pendulum that consists of a particle mass ‘m’, attached to a frictionless pivot by a cable of length ‘L’ and neglible mass
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physical pendulum
a pendulum of a rigid extended object
* length ‘L’ for a physical pendulum is the distance between the axis at ‘P’ and the center of gravity of the object
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Flashcard (51)