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It changes the ratio between the engine rpm and the drive wheel(s) rpm.

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Q: How does the diameter of the wheel affect the speed of a car?
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Related questions

How does the type of tires affect the speed of the car?

The size of the tyre affects top speed by altering the gearing. Assuming the engine has the power, a larger size wheel and tyre (diameter) will result in higher top speed.


What is the diameter of a car wheel?

the size it tells you it is


What is the diameter of a average car wheel?

The most common wheel size/diameter found among stock automobiles is 16in


How much would tire size affect odometer reading?

TS = OR * CTD / STD Where: TS = True Speed OR = Odometer Reading CTD = Diameter of the current tires on your car STD = Diameter of the Standard Tire for your car.


Does the placement of the wheels on a car change the speed of the car?

The placement wouldn't affect the speed, but would affect the handling.


How many times will the wheel of a car rotate in a journey of 88km if the diameter of the wheel is 56cm?

50,020 times


How does the size of a toy car affect its speed?

It would affect its speed because the weight of the car is gonna slow it down


How does the wheel affect the speed of a car?

All tires have a speed rating, driving above is "Highly Not Recommended" as the tire can/will come apart due to heat build up. There where cars limited in speed due to this reason.


How many times will the wheel of a car rotate in a journey of 88 km given that the diameter of of wheel is 56 cm?

50000.00


Does the number of exhaust affect the speed of a car?

no


How material affect the speed of a car?

Weight


How does the model of a car affect its speed?

Aerodynamics, weight of the car, horsepower of the engine, are all factors in the speed the car can travel.