motion

14 cards·by ross_allen

frame of reference

system of objects that arent moving with respect to one another

relative motion

movement in relation to frame of refrence

distance

length of a path between two points

vector

a quantity that has magnitude and direction

resultant vector

vector sum of two or more vectors

speed

the ratio of the distance an object moves to the amount of time an object moves

average speed

the total distance traveled over the total time traveling

instantaneous speed

rate at which an object is moving at a given moment in time

velocity

the speed and direction in which an object is moving

acceleration

the rate at which velocity changes

free fall

movement of an object toward earth solely because of gravity

constant exceleration

steady change in velocity

linear graph

displays data in a straight line part

nonlinear graph

curve connects the data points that are plotted