1. Levon Mathis September/05/2013 Ms.Cole 6th Hour
Archimedes
Levon Mathis
September/05/2013
Ms.Cole
6th Hour

2. Background on Archimedes
- Archimedes was born in the year 287 BC in Syracuse, Sicily.
- Archimedes died around the age of 75 in the year 212.
- He studied at the learning institute of Alexandria in Egypt, and a school estabblished by the greek god Euclid.

3. Archimedes’s Work
- Before Archimedes died, he was working on a project for Hiero, making the walls of Syracuse stronger.
- Other than being a mathematician Archimedes was also a physicist, engineer, inventor, and astronomer like his father.
- Archimedes mainly worked on moving things around, saying “Give me a long enough lever and a place to stand and I will move the Earth.”

4. Contributions - Archimedes made a contribution to figuring out pi.
-He also was one of the first to contribute levers and pulleys.
- Archimedes also invented the catapult, and the burning mirror.
- He was also known for inventing the Archimedes screw.

5. The Catapult
- A catapult is used to throw or hurl an object a great distance with the use of an explosive.
- The catapult you to sling great big bolders toward an enemy, or even to throw someone to their death.
- The catapult was one of the most effective means of warfare.

6. The Lever
- A lever is a machine made with a beam or rod and pivoted with a fixed hinge.
- Levers are suppose is suppose to give you leverage, meaning it helps give you a greater output force.
- A lever is a beam connected to the ground by a hinge or pivot called a fulcrum.
- On the next page there will be a few formulas to help you find the mechanical advantage of a lever. ( How strong it can be )

7. Fomula’s:
- One of the formulas is to consider the fulcrums balance, and torque (moments).
T1= M1a = M2b = T2
- Another formula is to help you find how much force you will get, this is by finding the mechanical advantage.
MA = M2/M1 = a/b

8. Everyday Usage
Levers that we use everyday are a Bicycle ( The Bicycle Brakes).
Other very commonly used ones are door handles, crowbars, wheelbarrows, and a baseball bat.
one of the more enjoyable levers would be a seesaw. Remember those?

9. Everyday Usage Cont’d
We use levers everyday, some that we dont even notice.
People use levers to help them lift heavy things, or to move items, or to get an object high in the air.
We use the lever to make work easier on us, and to help move things more efficiently.

10. Pictures: Archimedes

11. Pictures: Inventions T

12. Picture: Lever