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Chapter 3 - Integrated Science

Terms in this set (12)

Acceleration
The rate at which veloctiy changes with time; the change may be in magnitude or direction or both.
Air drag
Frictional resistance due to motion through air.
Free fall
Motion under the influence of gravitational pull only.
Friction
The resistive force that opposes the motion or attempted motion of an object past another.
Inversely
When two values change in opposite directions, so that if one increases and the other decreases by the same amount, they are said to be inversely proportional to each other.
Kilogram
The fundamental SI unit of mass. One kilogram (kg) is the mass of 1 liter (L) of water at 4 degrees Celcius.
Mass
The amount of matter in an object; the more mass an object has, the more it resists changes in motion.
Newton's second law
The acceleration produced by a net force on an object is directly proportional to the net force, is in the same direction as the net force, and is inversely proportional to the mass of the object.
Terminal speed
The speed at which the acceleration of a falling object terminates because air drag balances its weight.
Terminal velocity
Terminal speed with direction of motion (down for falling objects).
Volume
The quantity of space an object occupies.
Weight
The force due to gravity on an object.
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