Laws of Motion

Question: A given object takes n times as much time to slide down a 45° rough incline as it takes to slide down a perfectly smooth 45° incline. The coefficient of kinetic friction between the object and the incline is given by

1) $\left( {1 - \frac{1}{{{n^2}}}} \right)$

2) $\frac{1}{{1 - {n^2}}}$

3) $\sqrt {\left( {1 - \frac{1}{{{n^2}}}} \right)}$

4) $\sqrt {\frac{1}{{1 - {n^2}}}}$

Solution:

Explanation: No Explanation

Friction Motion on Inclined Surface

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