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Coin Slipping on a Spinning Wheel
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[QUOTE="uSee2, post: 6835965, member: 729661"] OHH I SEE!! So basically, it is a combination of both of those things I stated above. Static friction is a vector like you said, so it is a combination of its centripetal and tangential components. The acceleration contributes to the tangential part of static friction, and the velocity contributes to the centripetal part of static friction. But as either tangential acceleration or velocity increases, static friction as a whole increases. And if it goes over a threshold, it slips. And the reason that it didn't slip at first was because it didn't have enough of centripetal and tangential static friction components to slip. However it slipped quicker because there was already a large tangential component of static friction, and so even with just a small tangential velocity, it increases the centripetal component of static friction just enough such that is slipped. But less because there is a tangential component of static friction backing it up. Is this correct? [/QUOTE]
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