How do cars brake efficiently, even on slopes?

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I’m no expert in cars and how they work, which is definitely why I don’t know the answer to this question. What I don’t get is how cars, even when going down a slope at high speed, can gradually slow down and freeze, even when on a steep slope. Why does it not roll down? I don’t get how the tires freeze the car like glue, like shouldn’t it move slightly at least?

EDIT: I definitely worded this badly lmao. I was more interested in how cars on steep slopes don’t move on slopes, because wouldn’t an object without wheels still slide downwards when on a slope?

EDIT 2: Thanks for answering the question. It makes sense now that the friction of the rubber tires and the material on the road is what keeps it so still when brakes are applied on slopes.

In: Physics

6 Answers

Anonymous 0 Comments

Brakes apply a force to stop the car. If it’s on a slope, gravity applies a force to pull the car down. If the force of the brakes is bigger than the force of gravity, then the brakes win, and the car slows and eventually stops.

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