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Motion
14 cards·by legacy-6029196237209600@noemail.invalid
system of objects that are not moving with respect to one another
frame of reference
movement in relation to a frame of reference
relative motion
length of a path between two points
distance
quantity that has magnitude and direction
vector
the vector sum of two or more vectors
resultant vector
ratio of the distance an object moves to the amount of time the object moves
speed
the total distance traveled, d, divided by the time, t, it takes to travel that distance
average speed
the rate at which an object is moving at a given moment in time
instantaneous speed
the speed and direction in which an object is moving
velocity
the rate at which velocity changes
acceleration
the movement of an object toward Earth solely because of gravity
free fall
a steady change in velocity
constant acceleration
the displayed data form straight-line parts
linear graph
a curve connects the data points that are plotted
nonlinear graph