Class 11 Physics Work Energy Power Collosion

 Collosion

  • A collision is an event in which two or more bodies exert forces on each other for a relatively short time.

  • In all collisions the total linear momentum is conserved.
  • The total impulse on the first object is equal and opposite to that on the second, if two bodies collide.
  • Elastic collision is when the initial Kinetic energy is equal to the final kinetic energy.
  • Inelastic collision is when some of the kinetic energy is lost after collision.
  • Completely inelastic collision is when the bodies after collision move together .

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