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What is Newtons 1st Law
The momentum of an object will not change unless a resultant force acts on it
What is Newtons 2nd Law
The resultant force of an object is equal to its rate of change of momentum
What is Newtons 3rd Law
If body A exerts a force on body B, then body B will exert a force on body A of equal magnitude but in the opposite direction
When can F = ma be used
When the mass stays constant
