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Edexcel IGCSE Physics · Spec 1.11E

Momentum: Using the Equation (Worked Examples)

Worked examples calculating momentum.

Physics revision video

Momentum: Using the Equation (Worked Examples)

Spec 1.11E

What you need to know

  • Use p equals m v
  • Rearrange it to find mass or velocity
  • Use conservation of momentum in a collision

Active recall

Quick check

Answer each question before opening the answer.

What is the momentum of a 2 kg object moving at 3 m/s?

6 kg·m/s (2 × 3).

What quantity is conserved in a collision (with no external force)?

The total momentum.

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