PhysicsCode 5054

Momentum

What this topic asks you to be able to do

  • Define momentum by the product mass × velocity; recall p = mv and use this equation
  • Define impulse as force × the length of time over which the force acts; remember and make use of the equation impulse = FΔt = Δ(mv)
  • Apply conservation of momentum to tackle straightforward questions confined to one dimension
  • Define resultant force as how much momentum changes in each unit of time; recall resultant force = change in momentum / time taken F = ∆p / ∆t and use this equation