First slide

Angle of repose

Question

The coefficient of friction between a hemispherical bowl and an insect is $\sqrt{0 .44}$ and the radius of the bowl is 0.6m. The maximum height to which an insect can crawl in the bowl will be

Moderate

A

0.4m
B

0.2m
C

0.3m
D

0.1m

Solution

$h = r (1 - \cos θ) = r [1 - \frac{1}{\sqrt{μ_{s}^{2} + 1}}]$

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