A collision occurs when two objects come in direct contact with each other. It is the situation in which two or more bodies exert forces on each other in about a relatively short time. There are two types of collisions namely :
Elastic CollisionAn elastic collision can be defined as a state where there is no net loss in kinetic energy in the system as the result of the collision.Inelastic CollisionAn inelastic collision can be defined as a type of collision where this is a loss of kinetic energy. The lost kinetic energy is transformed into thermal energy, sound energy, and material deformation.
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Differences between elastic and inelastic collisions
The differences between elastic and inelastic collisions is tabulated below
|The total kinetic energy is conserved.||The total kinetic energy of the bodies at the beginning and the end of the collision is different.|
|Momentum does not change.||Momentum changes.|
|No conversion of energy takes place.||Kinetic energy is changed into other energy such as sound or heat energy.|
|Highly unlikely in the real world as there is almost always a change in energy.||This is the normal form of collision in the real world.|
|An example of this can be swinging balls or a spacecraft flying near a planet but not getting affected by its gravity in the end.||An example of an inelastic collision can be the collision of two cars.|
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