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Mechanical Comprehension
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ASVAB Full-length Test
Simple machines are useful in that they
______
.
Reduce the effort needed to accomplish a task.
Simplify tasks.
Create a mechanical shortcut.
Are easy to design and build.
Detailed Explanation
Simple machines amplify the effort put into a task. For instance, a pulley allows a person to lift a much heavier load than they otherwise would be capable of.
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