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Physics Vocabulary #1c
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Physical Science
8th
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15 Terms
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1
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Motion
when the distance between two objects is changing
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velocity
Speed in a given direction
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Acceleration
change in velocity
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force
a push or pull on an object
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Newton
a unit of measure that equals the force required to accelerate.
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Friction
the force that two surfaces exert on each other when they rub against each other
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net force
The overall force on an object when all the individual forces acting on it are added together
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Mass
the amount of matter in an object
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inertia
the tendency in an object to resist change in motion
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weight
A measure of the force of gravity acting on an object
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Gravity
the attraction force between objects; the force that moves objects downhill
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magnetism
The force of attraction or repulsion of magnetic materials
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magnetic field
the region around a magnet where the magnetic force is exerted
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electric field
the force between charged objects where object's electric force is exerted on other charged objects
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electrical force
The force between charged objects