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Mechanics are often the objects in relation to a stable equilibrium position of the freedom of a small amplitude harmonic vibration is called the Department of Movement. Simple harmonic motion is the simplest, most basic of vibration, the vibration is also an ideal, all the complexity of the vibration can be seen as different from a number of different amplitude of the harmonic vibration frequency synthesized. According to the definition of simple harmonic motion can be determined whether the object is simple harmonic motion of the vibration, the use of simple harmonic motion vibration equation can be derived speed, acceleration, and vibration of energy.
Simple harmonic motion, many physical models, which are more representative of spring oscillator, pendulum, in addition to compound pendulum, such as conical pendulum. Although different forms of movement, but its kinematics equations follow the definition of simple harmonic motion style, with the same characteristics.
Description of simple harmonic motion, many methods: a trigonometric function that law, the rotation vector method, Chart representation, such as expression vector. These methods are described in an intuitive way to compare the use of these methods can be easily seen in the phase of harmonic vibration, displacement and the movement direction. These methods are generally from the differential oscillator, the direct solution of differential equations to be characteristic of simple harmonic motion.

The location an object is often balanced in Mechanics relative to some one stability liberty having a tiny amplitude being that motion is called simple harmonic vibration. Simple harmonic vibration is simple , the most fundamental vibration , is also one kind of ideal vibration, all complicated vibration considers as what the simple harmonic vibration being that different from many frequency is unlike amplitude composes. The definition according to simple harmonic vibration can decide if the object vibration be simple harmonic vibration , make use of vibration equation to be able to seek speed , acceleration, and the energy vibrating producing simple harmonic vibration. The simple harmonic vibration physics model has many , having the spring vibrator , simple pendulum , still having compound pendulum , cone pendulum besides and so on having representativeness among them comparatively. Although the form moving is different,whose kinematics equation all abides by the simple harmonic vibration definition style , has the identical characteristic. The simple harmonic vibration description method has many: Circular functions representation , revolution vector law , picture line representation, vector representation waits. These method all is comparatively penetrating describe method , make use of these method to be able to perceive the simple harmonic vibration phase very easily, displacement and direction of motion. Being to set off from the vibrator differential equation like these method , solve differential equation directly getting the simple harmonic vibration characteristic.

position of the freedom of a small amplitude harmonic vibration is called the Department of Movement. Simple harmonic motion is the simplest, most basic of vibration, the vibration is also an ideal, all the complexity of the vibration can be seen as different from a number of different amplitude of the harmonic vibration frequency synthesized. According to the definition of simple harmonic motion can be determined whether the object is simple harmonic motion of the vibration, the use of simple harmonic motion vibration equation can be derived speed, acceleration, and vibration of energy.
Simple harmonic motion, many physical models, which are more representative of spring oscillator, pendulum, in addition to compound pendulum, such as conical pendulum. Although different forms of movement, but its kinematics equations follow the definition of simple harmonic motion style, with the same characteristics.
Description of simple harmonic motion, many methods: a trigonometric function that law, the rotation vector method, Chart representation, such as expression vector. These methods are described in an intuitive way to compare the use of these methods can be easily seen in the phase of harmonic vibration, displacement and the movement direction. These methods are generally from the differential oscillator, the direct solution of differential equations to be characteristic of simple harmonic motion.