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Which of the following is an example of a pulley?

clock gears
wheelbarrow
door knob
flagpole

User Raju Rudru
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2 Answers

4 votes
That is the correct answer
User Asbjornenge
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Answer:

Door knob

Step-by-step explanation:

When the knob on one side of the door is turned, the shaft retracts the spring-loaded latch that holds the door closed. Without the knob in place, more force would be needed to turn the shaft and retract the latch.

User Stusherwin
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