Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
Simple machine |
A device that either multiplies or redirects a force |
|
|
Force |
A push or pull exerted on an object in an effort to change that objects velocity |
|
|
A Mechanical Advantage |
The amount by which force or motion is magnified in a simple machine |
|
|
Diameter |
The length of a straight line that crosses from one side of a circle to another, passing through the center |
|
|
Circumference |
The perimeter of a circle: 3.14 x diameter |
|
|
What is applied science? |
Science dedicated to making things better |
|
|
What is technology? |
A new process or machine that makes life better |
|
|
What is a First-Class Lever? |
The fulcrum is positioned between the resistance and the effort |
|
|
What is a Second Class Lever? |
The fulcrum is at one end of the bar, and the resistance is between the fulcrum and the effort |
|
|
What is a Third Class Lever? |
The fulcrum is at one end of the bar, and the effort is between the fulcrum and the resistance |
|
|
Scissors are in what Class? |
First Class |
|
|
What is the mechanical advantage a wheel and axle system. |
Diameter of the wheel Divided by the diameter of the axle |
|
|
A Mechanical Advantage of a screw |
circumference / pitch |
