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# Simple Machines

### Simple Machines Vocab

TermDefinition
Wheel and Axle pt.1 they rotate together
Wheel and Axle pt.2 a force is transferred from one to another
Wheel and Axle pt.3 Axle moves faster than the wheel making the work easier ( increases speed )
Simple Machine pt.1 Wheel attached to an Axle.
Simple Machine pt.2 a simple device for changing the amount and/or force to move an object.
Simple Machine Example pt.1 lever
Simple Machine Example pt.2 inclined plane
Simple Machine Example pt.3 wedge
Simple Machine Example pt.4 pulley
Simple Machine Example pt.5 wheel and axle
Simple Machine Example pt.6 screw
Lever definition a simple machine made of a bar that pivots on a fixed support or fulcrum
How does a lever work? a force applied by pushing down one one end of the lever results in a force pushing up at the other end.
What is a Pulley? a pulled rope over a wheel
What does a Pulley do? pt.1 Changes the direction of force
What does a Pulley do? pt.2 increases the applies force making work easier.
What is an Inclined Plane? a flat surface raised at an angle like a ramp
What does an Inclined Plane do? used for lifting a heavy load instead of straight up.
Extras facts about Inclined Planes pt.1 the angle (steepness) determines effort needed to raise the weight.
Extras facts about Inclined Planes pt.2 the increased distance decreases the force required.
What is a wedge made of? made up of two Inclined Planes put together. the planes meet up and form a sharp edge.
What is a Wedge used for? used to push objects apart, or cut
Extra facts about Wedges the thinner the wedge the easier the work
What is a Screw? a spirally grooved solid cylinder
What is a Screw made of? an Inclined Plane wrapped around a cylinder
Extra facts about Screws the less distance between the threads the easier the work.
Created by: aslacter
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