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

Chapter 8 Test Prep

Prep Questions

A________consists of a grooved wheel that holds a rope or cable. Pulley
A________ consists of a bar that pivots at a fixed point. Lever
A________ double inclined plane that moves. Wedge
A________is a straight, slanted surface. Inclined plane
A________consists of two circular objects of different sizes. Wheel and axle
A________is an inclined pane that is wrapped by a spiral. Screw
________the rate at which work is done or energy is transformed. Power
A________ is a machine made of more than one simple machine Compound Machine
________ is the unit used to express work. This is a Newton-meter (N*m) Joule
________ is when a forces causes an object to move in the force. This is force X distance Work
________ is the unit used to express power. Equivalent to joules per second This is J/s. Watt
________ is the work done on a machine. Work Input
________ is the work by a machine. Work Output
Work Output Force/ Input Force Mechanical Advantage
Work Output/Work Input x 100 Mechanical Efficiency
Created by: bugattiboy