simple machine: the screw
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Simple Machines: The Screw
There are six simple machines. They make it easier for us to do work.
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Simple Machines: The Screw
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Simple Machines: The Screw
The screw is one kind of simple machine. Screws help us hold things together.
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Simple Machines: The Screw A screw is a long post that is wrapped
with metal threads. A screw is actually a kind of inclined plane.
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Simple Machines: The Screw
It is an inclined plane that is wrapped around a cylinder.
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Simple Machines: The Screw
If you follow the threads on a screw, they will form a long ramp from the bottom of the screw to the top of the screw.
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Simple Machines: The Screw
The threads on the screw may be close together. The threads may be farther apart.
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Simple Machines: The Screw
A screw with threads that are close together makes work easy to do. It forms a long inclined plane.
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Simple Machines: The Screw
The work is easy to do, but you will have to turn the screw many times.
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Simple Machines: The Screw
A screw with threads that are farther apart forms a shorter inclined plane.
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Simple Machines: The Screw The work is harder to do, but you will
not have to turn the screw as many times.
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Simple Machines: The Screw Skill Assessment