State the laws of rolling friction.
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The laws for sliding friction cannot be applied to rolling bodies in equally quantitative terms, but the following generalities can be given: ... As the radius increases, the frictional force decreases.
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Hii dear,
● Laws of rolling friction-
1. Force of rolling friction is directly proportional to load and inversely proportional to radius of curvature.
F = μ×W/r
2. Rolling friction can be expressed in fractional power of load times constant.
F = kL^n
where k & n are experimentally determined.
3. Force of rolling friction is decreases with increase in smoothness.
Hope that was helpful...
● Laws of rolling friction-
1. Force of rolling friction is directly proportional to load and inversely proportional to radius of curvature.
F = μ×W/r
2. Rolling friction can be expressed in fractional power of load times constant.
F = kL^n
where k & n are experimentally determined.
3. Force of rolling friction is decreases with increase in smoothness.
Hope that was helpful...
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