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Forums
Physics
Classical Physics
Mechanics
Does coefficient of static friction change with angle
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[QUOTE="Aldnoahz, post: 5462683, member: 585166"] Hi all, I am very confused by this concept. As I searched online, all respondents say that friction decreases as angle increases because normal force decreases. BUT, they don't explain this phenomenon: A block on a ramp is static at certain angle, and after the ramp is raised by a certain degree, the block is still static. Obviously, in both cases static friction is equal to the component of weight horizontal to the incline. And this component force is INCREASING, which means the friction is also INCREASING. As the angle increases, the normal force decreases, so wouldn't the combination of these two changes indicate that the coefficient is increasing? I am confused. [/QUOTE]
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Forums
Physics
Classical Physics
Mechanics
Does coefficient of static friction change with angle
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