Oscillatory MotionA series of free High School Physics Video Lessons from Brightstorm online Physics series.
Hooke's Law Hooke's Law is used to determine the restorative force or the amount of elasticity. Larger distortion would result in a larger force. Hooke's Law is expressed in the equation F = - k(x), in which k is the spring constant and x is the displacement.
Spring Potential Energy Spring potential energy is the store energy that drives the restoring force described in Hooks Law. Other than Hooks Law, the equation for the potential energy function,U=1/2kx2, is essentially used when determining the spring potential energy.
Pendulum Motion Pendulum motion basically depicts the motion of a mass hanging from a string that moves back and forth. The variables in pendulum motion are the mass, the length of the string, and the location, which is measured by an angle. Forces acting on the mass in pendulum motion are tension and gravity. The force that is perpendicular to tension is expressed in the formula F = m x g x sine of the angle.
Resonance Resonance is the forced motion in tune with the nature oscillation frequency of a system, which is called the resonant frequency. Resonance is created when the pushing the system in the right direction that increases its amplitude. Every object has its own resonance.
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