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.

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
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

Science

Levers

QuestionAnswer
What is a Spring Scale? A simple device used to measure Newtons.
Define Effort. The force needed to move a load or overcome resistance (student).
Explain Newton. It is the unit used to measure effort.
What is a lever arm? The stick or beam free to pivot at a point (board that Mrs. Boston stood on).
Define Fulcrum. The point where the lever arm pivots (4 X 4 under the board).
What is the load? The mass lifted or the resistance overcome by the lever (Mrs. Boston).
What does a lever do? It is a simple machine used to make life easier.
Define Advantage. It is the benefit gained by using levers or other simple machines.
What does 'N' stand for? It is an abbreviation for Newton.
Describe a First class lever. It has the fulcrum in the middle and the load and effort on the ends.
Describe a Second class lever. It has the load in the middle and the effort and fulcrum on the ends.
Describe a Third class lever. It has the effort in the middle and the load and fulcrum on the ends.
You make the effort easiier by......... Moving the lad closer to the fulcrum.
Levers can be set up in how many ways? They can be set up in three basic ways - Class 1, Class 2, and Class 3.
Created by: AnneD