For example, an elephant has no momentum when it is standing still. When it begins to walk, it will have momentum in the same direction as it is travelling. The faster the elephant walks, the larger its momentum will be.
Momentum can be calculated using the equation:
momentum = mass × velocity
This is when:
A lorry has a mass of 7,500 kg. It travels south at a speed of 25 m/s. Calculate the momentum of the lorry.
An ice skater has a mass of 60 kg and travels at a speed of 15 m/s. Calculate the momentum of the skater.