PhysicsCode 9702
Momentum and Newton’s laws of motion
What this topic asks you to be able to do
- understand that an object's mass is the quantity giving it resistance to a change in its movement
- recall F = ma and use it to solve problems, knowing that the acceleration always points the same way as the resultant force
- define linear momentum as the result of multiplying mass by velocity, and use it
- define force as the rate at which momentum changes, and use it
- state Newton’s laws of motion, one by one, and apply each of them
- describe and use the idea of weight as the force a gravitational field exerts on a mass, and also recall that an object's weight equals its mass multiplied by the acceleration of free fall