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Unit 3 Ch 15
Mass and Motion
Definition | Term |
---|---|
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 |