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.

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

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.

Remove ads
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


Chapter F2

work force x distance
machine device that changes the amount of force applied to an object
lever simple machine that has an arm that moves around a fixed point
fulcrum fixed point
effort arm part of a lever where a person applies a force
resistance arm part of a lever that applies force on an object
pulley wheel that has a groove along its edge
wheel and axle simple machine in which either a wheel turns on an axle or vice versa
inclined plane any flat, sloping surface
wedge simple machine made up of two or more inclined planes
screw inclined plane wrapped around a cylinder or cone
compound machine device made up of two or more simple machines
efficiency the ratio of work coming out of a machine to the work being put into the machine
Created by: mmargavio