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How Do Machines Work? (What Is a Machine? (Input and Output Forces (Input…
How Do Machines Work?
What Is a Machine?
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Changing Direction
The amount of force and distance remain the same when a machine changes the direction of the input force.
Mechanical Advantage
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Increasing Force
When the output force is greater than the input force, the mechanical advantage of a machine is greater than 1.
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Increasing Distance
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The output force of the machine is half your input force, but the machine exerts that force over a longer distance.
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Efficiency of Machines
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Real and Ideal Machines
An ideal machine has an efficiency of 100%, but those machines don't exist.
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