1. Welcome to the Museum of
Simple Machines
Timeline
Museum Entrance
Screw
Pulley
Lever
Wheel and Axle
Wedge
Inclined Plane
Curator’s
Offices

2. Shenia Virden Thad Byers
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My name is Thad Byers. I am fourteen years old, and I play Basketball and used to play Baseball. I am very smart.
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3. Wheel and Axle
Room 1
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4. Pulley
Room 2
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5. Lever
Room 3
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6. Inclined Plane
Room 4
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7. Wedge
Room 5
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8. Screw
Room 5
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Wheel and Axle 1
The Wheel and Axle is a simple machine made by a large will accompanied by a smaller wheel called and Axle.
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Wheel and Axle 2
There are two main ways to use the Wheel and Axle.
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Wheel and Axle 3
Archaeologists discovered the oldest known wheel in 3600 b.c
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Wheel and Axle 4
To find the mechanical advantage you need to find the radius of the wheel and axle, and then divide the wheel’s radius by the axle’s radius.
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Pulley 5
A pulley is used to lift things. Such as bricks, and other things.
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Pulley 6
Pulley’s are often used on sewing machines, flag poles, sailboats, clothing lines and other things. etc
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Pulley 7
Object’s similar to pulleys is told to be used by the Mesopotamians in early 1500 b.c by lifting water buckets.
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Pulley 8
A pulley moves objects by altering their direction, amount of speed of force, according to the University of Arkansas.
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Lever 9
The lever is a simple bar attached to a pivot point that it is able to rest on.
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Lever 10
A see-saw is an example of the lever as well as the crowbar.
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Lever 11
There are three classes of lever, first-class, second-class, and third-class.
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Lever 12
This wheel barrow is an example of a second-class lever.
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Inclined Plane 13
An inclined plane is a simple machine with a sloping slide.
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Inclined Plane 14
Trucks use inclined planes to moves and load heavy boxes.
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Inclined Plane 15
The roof on a building can be and inclined plane.
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Inclined Plane16
Wheel chair ramps are inclined planes.
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Wedge 17
A wedge is an object with at least one slanting slide ending in a sharp edge that cuts material.
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Wedge18
A wedge converts motion in one direction into a splitting motion that acts at right angles to the blade.
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Wedge19
Wedges are either use to hold or separate devices.
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Wedge 20
A wedge is made out of two inclined planes.
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Wedge 21
A wedge is basically an inclined plane.
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Screw 22
A car “Jack” that is used to repair tires or change them is also a screw.
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Screw 23
A screw holds more firmly to a piece a wood than a nail.
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Screw 24
A screw is a pointed nail with screws in it.
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Screw 25
A screw holds things together and also can lift many things too.
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34. Timeline History of Simple Machines lever Pulley Wedge Wheel and Axle
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Inclined Plane
Screw

35. Pulley
About 1100 AD the building of large churches called cathedrals became popular. These buildings were very large and some were around 150 meters high. Huge blocks of stone had to be lifted to build the walls and spires. The cathedral builders were the same people who designed and built the pulley systems to lift the blocks of stone.
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36. Lever
Levers are one of the basic tools; they were probably used in prehistoric times. Levers were first described about 260 BC by the ancient Greek mathematician. Many of our basic tools use levers, including scissors, pliers, hammer claws, nutcrackers, and tongs.
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37. Wedge
History is not clear since it has been around for around 9,000 years. Almost all known ancient civilations had their version of the wedge.
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38. Wheel and Axle
The wheel is probably the single most important invention of all time. The oldest wheel was found in a place that is now called Mesopotamia. It is believed to be over fifty-five hundred years old. Before that time, people did not have wheels to move heavy objects. Axles were used to unite two or more wheels in order to achieve more work or transportation done.
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39. Inclined Plane
The inclined plane is one of the simple machines of antiquity, the physical operations of which were first theorized by Archimedes in the second century B.C., and then further explained by Hero of Alexandria in the first century A.D.
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40. Screw
Around the first century, screw shaped tools became common, however, historians do not know who invented the first. Early screws were made from wood and were used in wine presses, olive oil presses, and for pressing clothes. Metal screws and nuts used to fasten two objects together first appeared in the fifteenth century.
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