14 terms

FPC Chapter 11 - Motion

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