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Elastic energy print that page

The concept of elastic energy is not confined to formal elasticity theory which primarily develops an analytical understanding of the mechanics of solid bodies and materials [ 1 ] :See Ch 1 §1 . The essence of elasticity is reversibility. Forces applied to an elastic material transfer energy | 2011/6/7 22:18:37

Energy print that page


In physics , energy ( Ancient Greek : ἐνέργεια   energeia  "activity, operation" [ 1 ] ) is an indirectly observed quantity. It is often understood as the ability a physical system has to do work on other physical systems. [ 2 ] [ 3 ] Since work is defined as a force acting

Reflection seismology print that page


wave encounters a boundary between two different materials with different impedances, some of the energy of the wave will be reflected off the boundary, while some of it will be transmitted through the boundary. In common with other geophysical methods, reflection seismology may be seen as

Elastic-rebound theory print that page

The elastic rebound theory is an explanation for how energy is spread during earthquakes. As plates on opposite sides of a fault are subjected to force and shift, they accumulate energy and slowly deform until their internal strength is exceeded. At that time, a sudden movement occurs along | 2011/10/3 23:20:54

Vehicle print that page


types, terms and definitions [ 3 ] Contents 1 History of vehicles 2 Locomotion 2.1 Energy source 2.2 Motors and engines 2.3 Converting energy to work 2.4 Friction 3 Control 3.1 Steering 3.2 Stopping 4 Legislation 4.1 European Union 4.2 Licensing 4.3

Elastic collision print that page

An elastic collision is an encounter between two bodies in which the total kinetic energy of the two bodies after the encounter is equal to their total kinetic energy before the encounter. Elastic collisions occur only if there is no net conversion of kinetic energy into other forms. | 2011/8/21 8:23:15

Potential energy print that page


In physics , potential energy is the energy stored in a body or in a system due to its position in a force field or due to its configuration. [ 1 ] The SI unit of measure for energy and work is the Joule (symbol J). The term "potential energy " was coined by the 19th century Scottish

Kinetic energy print that page


The kinetic energy of an object is the energy which it possesses due to its motion . [ 1 ] It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity . Having gained this energy during its acceleration , the body maintains this kinetic energy

Surface tension print that page


Surface tension has the dimension of force per unit length , or of energy per unit area . The two are equivalent—but when referring to energy per unit of area, people use the term surface energy —which is a more general term in the sense that it applies also to solids and not just

Helmholtz free energy print that page

In thermodynamics , the Helmholtz free energy is a thermodynamic potential which measures the “useful” work obtainable from a closed thermodynamic system at a constant temperature and volume. For such a system, the negative of the difference in the Helmholtz energy is equal to the | 2011/7/28 9:49:11