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Unit 3 Ch 15

Mass and Motion

DefinitionTerm
SI unit of distance Meter
Equals the distance traveled divided by the time it takes to travel that distance. Speed
Equals the total distance traveled divided by the total time taken to travel the distance. Average Speed
The speed of an object at one instant of time. Instantaneous Speed
Speed and direction of a moving object. Velocity
SI unit of mass Kilogram
Equals the change in velocity divided by the the time for the change to take place; occurs when an object speeds up, slows down, or turns. Acceleration
Scientific instrument used to measure mass precisely by comparing the mass of a sample to known masses Triple-Beam Balance
Amount of matter in an object. Mass
Tendency of an object to resist a change in its motion. Inertia
Created by: rwaters
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