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11 terms

8 Forces and Motion

the force of attraction between all masses in the universe
the tendency of a body to resist any change in its motion; it stays at rest or in motion unless acted upon by an external force
a push or a pull that acts on an object
the act of changing location from one place to another
the amount of matter in an object
A measure of the amount of force of gravity on an object
the rate at which velocity changes over time; an object accelerates if its speed, direction, or both change
the ratio of the distance an object moves to the amount of time the object moves
Newton's First Law of Motion
an object at rest will stay at rest and an object in motion will stay in motion unless acted on by an outside force
Newton's Second Law of Motion
The acceleration of an object depends on the mass of the object and the amount of force applied.
Newton's Third Law of Motion
for every action there is an equal and opposite reaction