Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
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


work the use of force to move an object from one place to another
simple machine has few or no moving parts; makes work easier
lever a bar that pivots, or turns, on a point that does not move
fulcrum a fixed point upon which a lever rests
wheel-and-axle has a wheel and an axle that turn together
pulley a wheel with a line around it to make it easier to lift or move things
inclined plane a slanted surface that makes it easier to climb
Gear two or more wheels linked together by interlocking teeth
Screw an inclined plane wrapped around a post to form a spiral
Force Push or pull
Load What is being moved
Distance How far the load is moved
Energy The ability to do work
Push Exerting a force to move something away from an object
Pull Exerting force to move something towards you
lubricant a substance used to reduce the amount of resistance between objects that are moving against each other
Created by: smithnebo