momentum and forces

  • Created by: emews
  • Created on: 26-10-17 17:37
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  • Momentum and forces
    • p is momentum - kg m/s
    • m is mass - kg
    • v is velocity - m/s
    • momentum stays the same before and after a collision
    • force = change in momentum over time
    • If A exerts a force on B, then B exerts an equal but opposite force on A
    • car safety features
      • seat belts
      • air bags
      • Untitled


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