GCSE Combined Science (AQA)

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Momentum as a Vector

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Forces Momentum

Momentum as a Vector

4:12 Introduction to Momentum
Spec 4.5.7.1
Previous Calculating Work Done Next Explosions & Recoil
  • Momentum is a vector quantity with both magnitude and direction.
  • The direction of an object's momentum and velocity are the same.
  • Momentum is the product of mass (a scalar) and velocity (a vector).
  • When adding momentum, if vectors are in the same direction, they are added together.
  • If vectors are in opposite directions, the difference between them is calculated.
  • Example: Two birds with the same speed and momentum in the same direction have a total momentum of 2P. If in opposite directions, the total momentum is zero.
  • Momentum changes if the direction of velocity changes, similar to velocity changes with direction.
  • Understanding momentum as a vector is crucial for exam questions.
  • Momentum and velocity are linked to acceleration and forces.

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