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Vector Quantities
Have direction and magnitude
Scalar Quantities
Just have magnitude
Friction
A force that opposes motion
Stopping Distance
A sum of the thinking distance and the braking distance
Hooke’s Law
The extension applied to a spring is directly proportional to the force applied
Elastic Behaviour
The ability of a material to recover its original shape after the forces causing deformation have been removed
Newton’s First Law
The velocity of an object will only change if a resultant force is acting on the object
Newton’s Second Law
Resultant Force (F) = mass (m) x acceleration (a)
Newton’s Third Law
Every action has an equal and opposite reaction
Inelastically Deformed Object
Doesn’t return to its original shape when the force stops