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Physics


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motion
a change in length and/or direction from a reference point
magnitude
the size of a measurement or the amount (number) you are counting
direction
North, South, up, right, forward, etc
reference point
something that is used to understand something else
scalar
quantities described with magnitude only
vector
quantities described with magnitude and direction
distance
a scalar quantity that describes the length of a path between 2 points
position
a vector quantity that describes a specific point relative to a reference point
displacement
the shortest line between two points, including the distance and direction
time
describes when an event happens
time interval
the difference between the initial and final times; how long an event was
speed
how quickly an object is moving
velocity
how quickly the position of an object is changing
constant
does not change
rearrange
to arrange again, usually in a different way
arrange
to put something in an order
uniform motion
a constant velocity
gravity
the pull of an object to another
acceleration
change in velocity
non-uniform motion
not moving at the same speed/velocity
deceleration
normally known as slowing down, is acceleration in the opposite direction