Advertisement Upgrade to remove ads

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

distance

the length of the path between two points

vector

a quantity that has magnitude and direction

resultant vector

the vector sum of two or more vectors

speed

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

velocity

the speed and direction in which an object is moving

acceleration

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

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set