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16 Cards in this Set
- Front
- Back
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motion |
the act or process of changing position or place; change in an object's position relative to a reference point |
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displacement |
the distance and direction of an object's change in position; a vector from the initial position to a subsequent position assumed by a body |
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distance |
the extent of space between two objects or places (direction not indicated) |
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speed |
a measure of the the motion of a body; p=mv; the distance an object travels per unit of time; a measure of the rate of motion(direction not indicated) |
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average speed |
total distance traveled divided by total time of travel(direction not indicated) |
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instantaneous speed |
speed at a given point in time |
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constant speed |
the motion of an object remaining at the same speed; the object doesn't move faster or slower |
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acceleration |
rate of change of velocity with respect to time |
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centripetal acceleration |
acceleration toward the center of a curved or circular path |
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velocity |
the speed of an object and the direction of its motion |
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scalar quantity |
a measurement of magnitude only |
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vector quantity |
a measurement that includes both magnitude and direction |
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reference point |
a location or object chosen to compare the position of a selected object; used to describe the object's motion |
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frame of reference |
a coordinate system in which the position of an object is measured |
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position |
the location of an object in relation to a reference point |
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momentum |
product of mass and velocity for an object |
