define simple harmonic motion.?

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Alycia Zemlak · Accepted Answer

In physics, simple harmonic motion (SHM) is the motion of a simple harmonic oscillator, a periodic motion that is neither driven nor damped. A body in simple harmonic motion experiences a single force which is given by Hooke's law; that is, the force is directly proportional to the displacement x and points in the opposite direction.The motion is periodic: the body oscillates about an equilibrium position in a sinusoidal pattern. Each oscillation is identical, and thus the period, frequency, and amplitude of the motion are constant. If the equilibrium position is taken to be zero, the displacement x of the body at any time t is given byx(t)=Acos(wt+φ) where A is the amplitude, f is the frequency, and φ is the phase.

Alycia Zemlak · Answer

uncomplicated harmonic action is typified by employing the action of a mass on a spring even as that is difficulty to the linear elastic restoring stress given by employing Hooke's regulation. The action is sinusoidal in time and demonstrates a unmarried resonant frequency. study the link presented. some sensible diagrams and equations are there on your amusᴇмᴇɴt.

Alycia Zemlak · Answer

As much as I remember, if a particle is performing UCM, then the projection of the particle on one of the diameters of the circle performs SHM.If you keep a candle in erect positionon a horizontal revolving table,set it in UCM and send light horizontally. The shadow of the candle on the wall performs SHM. I did this experiment so I remember it. I stopped learning Physics in 1972. Sorry if there is any error in this.

Alycia Zemlak · Answer

d^2x/dt^2 = -w^2.x where w is a constant.Alternatively you can define it in terms of the wave that is a solution to the differential equation.x(t) = Asin(wt + k)where A is the amplitude and k is a constant depending on the initial conditions.

Alycia Zemlak · Answer

This is a wikipedia moment:http://en.wikipedia.org/wiki/Simple_harmonic_motio...

Alycia Zemlak

define simple harmonic motion.?

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