Question: The three identical rollers are stacked on a horizontal surface as shown. If the coefficient of static friction is the same for all pairs

The three identical rollers are stacked on a horizontal surface as shown.

The three identical rollers are stacked on a horizontal surface as shown. If the coefficient of static friction is the same for all pairs of contacting surfaces, find the minimum value of us for which the rollers will not slip. Answer: Hs =

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