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

simple machines

Fulcrum the pivot point around which a lever can turn
Mechanical advantage the ratio of the force produced by a machine to the force applied to it
Kinetic energy the energy an object has due to its motion
Potential energy the capacity to do work arising from charge stored in a material or physical system
Simple machine a simple device without moving parts that changes the magnitude or direction of a force
Work the change in a system's kinetic energy due to being acted on by a force
Wheel one of the simple machines
Lever a simple machine consisting of a solid bar that rotates around a pivot point; used to lift objects
Pulley a simple machine consisting of a rope that is wrapped around a wheel; can be used to help lift heavy objects
Wheel and axle a wheel with a rod called an axle through its center lifts or moves loads
Inclined plane an object with a flat, tilted surface; a simple machine that helps things roll or slide upward off of the ground
Power the change in energy of an object over some period of time
Wedge a simple machine that can be used to split objects apart, hold objects in place, or lift objects from the ground; consists of two inclined planes joined together
Screw a simple machine made of a shaft with grooves that wrap around it going from top to bottom
Compound machine A machine consisting of two or more simple machines operating together.
Created by: mariah.brielle