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A collision in physics is defined as an event in which two moving bodies collide with each other and create energy; they can exert strong forces in a relatively short period of time. Collision involves energy and force which is propelled using velocity. Collision can also take place with elastic material during which the objects involved conserve energy and force. |
There are basically two kinds of collisions in physics; one is elastic collision and the other is inelastic collision. An elastic collision is defined as the type of collision in which there is no loss of kinetic energy, while in an inelastic collision the kinetic energy is converted into a different form of energy.
The study of collision is very important for applying the result in various fields. Based on the concepts of collision some of the world's most advanced weapons are made, vehicles are made and many more products related to aerodynamics are made. So, collision theory in physics serves a lot of purposes other than just being a mere definition. All collisions carry momentum within them, and it is a form of energy nevertheless.
Collisions do not only take place in solids or particles, but also in gases. So, when gases collide, they cause an explosion or a severe chemical reaction. Even lighting is a result of a collision. When atoms in nature collide, they cause a release of energy. So, every collision has a definitive result. This energy can be a force, momentum or an explosion. If a large number of atoms collide with each other, then a tremendous amount of energy will be created.
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