Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Forces and Motion

8.PS.2

TermDefinition
Balanced Forces Forces acting on an object that combine and form a net force of zero
Drag Resistance by friction from air or water moving over a surface
Force Diagram A simple labeled diagram that shows the forces acting on an object as arrows that indicate the magnitude and direction of the force
Force A push or a pull
Friction The force that opposes the movement of two surfaces that are in contact and are moving over each other
Gravity A force of attraction between objects that is due to their masses
Inertia The tendency of an object to resist a change in motion
Magnitude Strength or size of force; in force diagrams this is represented by the length of the arrow
Mass A measure of the amount of matter in an object
Motion An object's change in position relative to a reference point
Net Force The sum of all forces acting on an object
Nonzero Net Force Causes a change in the object's motion (speed and/or direction)
Position An object's distance and direction from a reference point
Reference Point A place or object used for comparison to determine if an object is in motion
Speed The distance an object travels per unit of time
Stationary Not moving; not changing
Unbalanced Forces Forces that produce a nonzero net force
Weight A measure of the force of gravity on an object
Popular Physical Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards