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Physical Science 5

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Across
2
Force X Distance
4
Your forearm is a ____ class lever
7
Pivot point for a lever
9
This must have a fulcrum
12
Machine that puts out as much work as is put in
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A teeter-totter is a ___ class lever
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(2 words) A ramp
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A wheelbarrow is a ___ class lever
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Wheel and _____
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This is always needed to do work
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Work / Time
Down
1
Wheels with cogs
2
An axe is an example
3
Unit used for work
5
Can be fixed or moving
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_____ advantage
8
A ____ machine is 2 or more simple machines combined
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Unit used for force
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Some machines change the ____ of a force
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____ machines include levers, pulleys, etc
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Unit used for power
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Inclined plane wrapped around a cylinder