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What is the effect of weight on speed?

Answer:

A car with a higher weight will have more friction between the tires and the road compared to a lighter car. So, for the same horsepower engine, the lighter car will go faster, because there is less force retarding the speed of the vehicle.

First answer by Stm177. Last edit by Stm177. Contributor trust: 59 [recommend contributor recommended]. Question popularity: 1 [recommend question].

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