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Motion
Change in time and distance
Displacement
The overall change in position
Speed
How far a object travels per unit of time
Average speed
The speed of motion when speed is changing
Instantaneous speed
Speed at a instant in a given point of time
Velocity
Speed and direction
Force
Push/pull
Net force
When 2+ forces act on a object
Unbalanced motion
A object changing direction
Balanced forces
When forces are equal in opposite directions
Acceleration
A unbalanced force, causes things to speed up/ slow down, rate of change in velocity may be + or -
Inertia
A tendency of and object to resist in motion
Newtons first law of motion
A object moving in motion will remain in motion unless a a equal and opposite force acts on the object
Newtons 2nd law
Force=mass x acceleration
Newtons 3rd law
For every action there is a equal and opposite reaction