Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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

ch. 19 vocab.

work When force causes an object to move in the direction of force
simple machine a machine that makes work easier
mechanical advantage the number of times a machine multiplies the effort force you apply
lever a rod that pivots on a fixed point
pulley an object like a wheel with a rope or chain running through it's groove
wheel and axel made of two round objects that are attached that also rotate together
inclined plane a sloped surface
wedge a moving inclined plane with one or two sloping sides
fulcrum a fixed point
compound machine a machine that is made up of many simple machines
force a push or pull si is it's newton
Created by: Mineman