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20 Cards in this Set

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Speed
Any change in position.
Instantaeous speed
is the rated of the motion at any given instant.
Constant speed
A speed that does not vary.
Average speed
is the total distance traveled divided by total time of travel.
Velocity
Describes both speed and direction of an object.
Acceleration
rate change of velocity.
Force
is a puch or pull one body exerts on another.
Balanced Force
Forces on an object that are equal in size and opposite in direction.
Net Forces
and object ALWAYS changes the velocity of the object.
Inertia
Is the tendency of an object to resist any change in its motion.
Kelvin
SI units for temperature.
Graph
is visual display of information or data.
Meter
SI base unit of length.
Volume
The amount fo space occupied by an object.
Derived Units
Units obtained by combining SI units.
Mass
Is a measurment of matter in an object.
Kilogram
The SI unit of mass.
Time
Interval between two events.
Density
Mass per unit volume of a material.
Second
SI units for time.