Discover the step-by-step process of manufacturing a sturdy wheel spanner from a recycled old car axle in this detailed video. Watch how raw materials are transformed into a reliable tool used for ...

A mechanism is a series of moving parts, working together to do a specific job. Both the bicycle and the toy car have wheel and axle mechanisms that help them to move. So, how does this work?

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Part of a rack-and-pinion steering system, the rack is a bar parallel to the front axle that moves left or right when the steering wheel is turned, aiming the front wheels in the correct direction.