Introduction of spring's elastic performance

Definition of spring elastic potential energy: due to the elastic interaction between the parts of an elastic deformation object, there is also potential energy, which is called elastic potential energy. The larger the deformation of the same elastic body in a certain range, the more elastic potential energy it has, and vice versa.

Spring elastic potential energy application: also known as "elastic deformation energy" in engineering. For example, compressed gas, bent bow, wound compressed Datong spring with elastic potential energy, stretched or compressed Datong spring with elastic potential energy.

The unit of elastic potential energy is consistent with that of work. To determine the elastic potential energy, the state of zero potential energy should be selected. Generally, the elastic potential energy of Datong spring is zero when it is in the free state without any deformation. The work done by elastic force is equal to the negative value of elastic potential energy increment. That is to say, the work done by the elastic force is only related to the elongation of the Datong spring in the initial state and the end state, but has nothing to do with the deformation process of the Datong spring. Elastic potential energy is based on the existence of elasticity, so elastic potential energy is possessed by the body with elastic deformation and elastic force between parts. If two bodies deform each other, then each body has elastic potential energy, and the total elastic potential energy is the sum of the two.

Calculation and formula of spring elastic potential energy: elastic potential energy = elastic work = ∫ (0-x) KX * DX = 1 / 2K * x ^ 2. Where k is the elastic coefficient and X is the deformation variable. Note: X in this formula must be within the elastic limit of Datong spring.

The relationship between elastic work and elastic potential energy change: elastic work is positive, elastic potential energy decreases, elastic work is negative, elastic potential energy increases. The definition of elastic potential energy: the elastic deformation of the body between the various parts, due to the interaction of elastic potential energy, this potential energy is called elastic potential energy.

Energy corresponds to work, and the negative work done by elasticity is transformed into energy.

Work = force x distance. We know that in the image of force and distance, the area enclosed by the curve is the amount of work done.

The figure enclosed by the axis of elastic force and distance is a triangle, so it is the area formula of triangle: the relation between energy

Elastic potential energy can be directly transformed into kinetic energy, but not into gravitational potential energy. Core or essence: (potential energy and kinetic energy can be directly transformed, but potential energy and potential energy can not be directly transformed, that is to say, it is impossible to transform with constant kinetic energy.)

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