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

Physics Ch. 8 Test

work how much energy is transferred
power how fast or slow work is done
joules unit of measure for work
watts unit of measure for power
machine device that changes force or motion
work formula force * distance
power formula work / time
mechanical advantage formula force output / force input
mechanical efficiency formula output / input * 100
mechanical advantage force multiplier that machine gives
mechanical efficiency measure of how much work you get out from a machine
complex machine machine formed from 2 or more simple machines
simple machines ILPWWS
work input work done on a machine
work output work done by a machine
force input force you put on an object
force output force on an object through a distance
effort force amount of force needed to move an object
effort distance distance from the effort on a lever to the fulcrum
ideal machine 100% efficient with no energy lost
Created by: itslizzie143