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JIPMER 2008
Exam
JIPMER
Year
2008
Subject
Physics
Chapter
Center of Mass, Momentum and Collision

JIPMER 2008 · Physics · Center of Mass, Momentum and Collision

For inelastic collision between two spherical rigid bodies

For inelastic collision between two spherical rigid bodies

Options

  1. Athe total kinetic energy is conserved
  2. Bthe total mechanical energy is not conserved
  3. Cthe linear momentum is not conserved
  4. Dthe linear momentum is conserved

Correct answer

D. the linear momentum is conserved

Step-by-step solution

In an inelastic collision, the particles do not regain their shape and size completely after collision. Some fraction of mechanical energy is retained by the colliding particles in the form of deformation potential energy. Thus, the kinetic energy of particles no longer remains conserved. However in the absence of external forces, law of conservation of linear momentum still holds good.
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