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🔬 Science - Class 9
Unit 8 · Simple Machine

Wheel and Axle Presentation

ScienceSubject
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Science and Technology, Class 9, Unit 8

Wheel and Axle

A simple machine · Velocity ratio R/r · A continuous lever

Wheel and axle around us

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The kite reel that winds string

🚪

The handle that opens a door

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The bicycle pedal

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The steering wheel of a vehicle

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Presenter notes: Ask the class how they wind the string while flying a kite. Start from the kite reel and tell them today's lesson is the wheel and axle.