Things You Thought You Knew – Why Size Matters
StarTalk Radio
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How to Accelerate a Car Without Gripping the Road
It takes about three seconds freefall for a stone to reach 60 miles an hour. So horizontally, this is playing out with the weight of the car and your ability to have the thing move forward without spinning the wheels. When you stick to the road, then you're not relying purely on friction to move forward. And in physics terms, the coefficient of friction is greater than one. You cannot do higher than that unless it grips the road in some kind of gummy way, sticky way.
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