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| Know Your Car : Gears & Gear Types |
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Gears are used in several mechanical devices. They do many important jobs, but one of their most crucial functions is that they provide a gear reduction in motorized equipment.
This is key because, often, a small motor spinning very fast can provide enough power for a device, but not enough torque.
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Another thing gears do is adjust the direction of rotation. For instance, in the differential between the rear wheels of your car, the power is transmitted by a shaft that runs down the center of the car, and the differential has to turn that power 90 degrees to apply it to the wheels.
There are a lot of intricacies in the different types of gears. Here, we'll learn exactly how the teeth on gears work, and the different types of gears you find in mechanical gadgets.
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