Chapter 10 notes

# Chapter 10 notes - The force that must be applied to...

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The force that must be applied to stretch or compress an ideal spring is F Applied = kx , where k is the spring constant and x is the displacement of the spring from its unstrained length. A spring exerts a restoring force on an object attached to the spring. The restoring force produced by an ideal spring is F = -kx , where the minus sign indicates that the restoring force points opposite to the displacement of the spring. Simple harmonic motion is the oscillatory motion that occurs when a restoring force of the form F = -kx acts on an object. A graphical record of position versus time for an object in simple harmonic motion is sinusoidal. The amplitude A of the motion is the maximum distance that the object moves away from its equilibrium position. The period T is the time required to complete one cycle of the motion, while the frequency f is the number of cycles per second that occur. Frequency and period are related according to f = 1/ T . The frequency f (in Hz) is related to the angular frequency ϖ

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