Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
share
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

Unit 2 Energy

Science

TermDefinition
work transfer of energy to an object by using a force
energy ability to cause change
power rate at which work is done
kinetic energy energy of an object due to its movement
potential energy the energy that an object has because of the position, condition, or chemical composition of an object
mechanical energy sum of an objects kinetic energy and potential energy due to gravity or elastic deformation..
machine devise that helps do work by changing the magnitude and/or direction of an applied force
mechanical advantage a number that tells you how many times a machine multiplies input force
mechanical efficency a quantity, usually expressed as a percentage that measures a ratio output to work input in a machine
lever simple machine that consists of a bar that pivots at a fixed point
fulcrum the point of which a lever pivots
wheel and axel a simple machine consisting of 2 circular objects of different sizes; 2 wheels connected by an axle in the middle
pulley a wheel over which a rope chain or wire passes
inclined plain a simple machine that is straight, slanted surface, which facilitates the raising of loads; a ramp
Created by: m.carroll24