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Understanding momentum: definition and examples

Forces and motionMomentum

Key concepts

What you'll likely be quizzed about

  • Momentum is defined as the product of an object's mass and its velocity.
  • Mathematically, it is expressed as p = mv, where p denotes momentum, m is mass, and v is velocity.
  • Thus, if an object's mass increases or its velocity increases, its momentum will also increase.

Flashcards

Test your knowledge with interactive flashcards

Explain the conservation of momentum principle.

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The conservation of momentum principle states that total momentum in a closed system is constant before and after an interaction.

Key notes

Important points to keep in mind

Momentum is p = mv; mass × velocity

Momentum is conserved in collisions

Higher mass or velocity = greater momentum

Analyze momentum changes in sports and crashes

Use momentum principles in engineering design

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