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15 Cards in this Set
 Front
 Back
inertia

a body in motion tends to remain in motion; a body at rest tends to remain at rest; unless acted on by an outside force


position

a specific point in space


distance

the length between two positions


direction

a course on which something is moving


vector quantity

a quantity consisting of both a magnitude and directino


magnitude

tells how much of the quantity there is


velocity

measures how quickly your position changes


speed

the distance you travel in a certain amount of time


Newton's 1st Law of Motion

an object that is not subject to any outside forces moves at a constant velocity, covering equal distances in equal times along a straightline path


forces

pushes and pulls


mass

the measure of your inertia, your resistance to changes in velocity


acceleration

measures how quickly your velocity changes


Newton's 2nd Law of Motion

the force exerted on an object is equal to the product of that objects mass times its acceleration


inertial frame of reference

a frame of reference that is not accelerating


inertial

moving because of inertia alone and not accelerating
