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forces and motion

TermDefinition
gravity the force that atracts an object to it.
mass the amount of matter or substance that makes up an object
weight a measure of the gravitational force with which an object is drawn to the center of a massive second object,
push when you use force to move a thing (object) away from you.
pull to exert force upon so as to cause or tend to cause motion toward the force.
friction a force that resists the sliding or rolling of one surface over another
force an action that changes or maintains the motion of a body or object
motion the process of an object moving or being moved
velocity a measure of how fast something moves in a particular direction
inertia the tendency of a body to resist a change in motion or rest
2'nd law acceleration (gaining speed) happens when a force acts on a mass (object)
speed the rate at which someone or something moves or travels.
position the place where someone or something is in relation to other people or things.
Axis the imaginary straight line that something (such as the Earth) turns around.
Unbalanced forces are not equal, and they always cause the motion of an object to change the speed and/or direction that it is moving.
Accelaration the rate at which the speed of a moving object changes over time
direction a course along which someone or something moves
Air resistence the frictional force air exerts against a moving object
momentum a measurement of mass in motion
resist to fight against or oppose
decelaration the slowing down of an object
Newtons first law an object in motion stays in motion unless a force acts upon it.
newtons third law for every action (force) there is an equal and opposite reaction (force)
Created by: Opelletier1
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