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Sasser S8P5a

Physical Science

TermDefinition
inertia the tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object
mass a measure of the amount of matter in an object
gravity a force of attraction between objects that is due to their masses
friction a force that opposes motion between tow surfaces that are in contact
distance an object travels is the length of the path it takes
balanced forces are two forces acting in opposite directions on an object, and equal in size
unbalanced forces are forces that cause a change in the motion of an object
gravitational forces is a force that attracts any object with mass. Every object, including you, is pulling on every other object in the entire universe!
resistance In electricity, a measurement of the difficulty encountered by a power source in forcing electric current through an electrical circuit, and hence the amount of power dissipated in the circuit. Measured in ohms.
action force force acting in one direction
reaction force force acting in opposite directions
gravitational acceleration is the acceleration on an object caused by force of gravitation
Created by: bsasser