# How do Gear Ratios Work (Binyam Samuel): - How do Gear...

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How do Gear Ratios Work Gear :- they are useful they serve to keep the turning or rotation of two axes together and gears can also increase or decrease the speed of rotation and can easily be used to reverse the direction of rotation. Gear Ratio :- Axle ratio is the number of revolutions the output shaft or driveshaft needs to make in order to spin the axle one complete turn. 1. how you would use gear ratios to Lift something very Heavy. By applying two different gears one driver and one driven 2. Explain how you would use gear ratios to Lift something very Heavy (increase torque). The driven goes faster but the driver have the motore to rotate the smaller one and that would help to lift heavy objects as a pulley.

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Unformatted text preview: 3. Explain how you would use gear ratios to make a wheel spin fast (increase speed)? ● Use more power on the driver gear. 4. Explain how Gear Ratios work on a Manual Transmission Car? ● Every second when you changed the gear of the car it will accelerate because your using more power/boost or gas. 5. Explain how Chain and Sprockets work a Bicycle? ● Every time you press on the pedal it will make the back tire of the bicycle because the chain makes the gear turn every time you press the pedal. It also depends on what gear your bike is at if it is on 4 or hire one you will need to use more force but if it is on 0 or lower it requires less effort force....
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