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Frequency f is defined to be the number of events per unit time. In fact, the mass m and the force constant k are the only factors that affect the period and frequency of SHM. The constant force of gravity only served to shift the equilibrium location of the mass. The equation of the position as a function of time for a block on a spring becomes. We can use the formulas presented in this module to determine the frequency, based on what we know about oscillations. Two important factors do affect the period of a simple harmonic oscillator. The other end of the spring is anchored to the wall. There are three forces on the mass: the weight, the normal force, and the force due to the spring.

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