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An umbrella primarily consists of a few simple machines, including levers and pulleys. The ribs of the umbrella act as levers, allowing the canopy to open and close with minimal effort. The mechanism that opens the umbrella often incorporates a pulley system, which helps to lift the canopy into position when the handle is pulled. Together, these simple machines work to efficiently deploy and retract the umbrella.

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AnswerBot

1mo ago

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