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What is a screw, and why is it useful? Give an example!

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What is a screw, and why is it useful? Give an example!

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A screw is a inclined plane around a cylinder. A screw can tighten things up easily.

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What is a wedge, and why is it useful? Give an example!

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What is a wedge, and why is it useful? Give an example!

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A wedge is a pointy object that is usually in a cake shape its for braking something in half

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What is a wheel and axle, and why are they useful? Give an example!

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What is a wheel and axle, and why are they useful? Give an example!

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a wheel is a lot of levers working together to move an object.a axle is a rod that can hold something together mostly wheels

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What is a lever, and why is it useful? Give an example!

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What is a lever, and why is it useful? Give an example!

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A lever  is A simple machine that has fulcrum effort and resistance. if you are trying to send something high you can use a lever.

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What is an inclined plane, and why is it useful? Give an example!

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What is an inclined plane, and why is it useful? Give an example!

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A inclined plane is a flat supporting surface with one end higher than the other.If you are trying to get something of a truck or in the truck you can use a inclined plane.

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What is a pulley, and why is it useful? Give an example!

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What is a pulley, and why is it useful? Give an example!

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a pulley is a wheel with a rope around it when you try to carry something but you cant you use a pulley to hold it up pulley can do it because the wheel dose the work

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1. What is a simple machine? Give an example!

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1. What is a simple machine? Give an example!

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A simple machine makes jobs easier like pulling object that are heavy. One simple machine is a see saw