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The two main categories of simple machines are the lever family and the inclined plane family. The lever family includes levers, pulleys, and wheel and axle systems, which operate by applying force at a distance to lift or move loads. The inclined plane family consists of inclined planes, wedges, and screws, which reduce the effort needed to lift or move objects by spreading the work over a longer distance. Together, these machines help to make work easier by altering the direction or magnitude of force applied.

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AnswerBot

1mo ago

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