I WONDER - What Is A Wheel And Axel?

The video tutorial explains a machine consisting of a wheel and axle, highlighting how the wheel multiplies torque to facilitate movement or lifting. This principle is crucial in transportation, such as cars and bicycles, and is also present in everyday items like doorknobs and pencil sharpeners. The mechanical advantage is determined by the ratio of the wheel and axle radii.

Can you name some everyday items that use the wheel and axle mechanism?

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What determines the mechanical advantage in a wheel and axle system?

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