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# Solution for Explain How a Gear System Can Be Used to Obtain Change in Direction of Rotation. Given One Example. - ICSE Class 10 - Physics

#### Question

Explain how a gear system can be used to obtain Change in direction of rotation. Given one example.

#### Solution

A gear system can be used to obtain change in direction when both the wheels of the gear system have the same number of teeth. Two gears mesh together in such a way that the driven gear rotates in direction opposite to the driving gear without any gain in speed or torque. So, if the driving gear turns clockwise, the driven gear turns counterclockwise.
To obtain change in direction, the gear ratio should be equal to 1.
Example : In a car, the differential (a gearbox in the middle of the rear axle of a rear-wheel drive car) uses a cone-shaped bevel gear to turn the driveshaft's power through 90 degrees and turn the back wheels.

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Solution Explain How a Gear System Can Be Used to Obtain Change in Direction of Rotation. Given One Example. Concept: Concept of Pulley System.
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