A 19 5 ft ladder AB leans against a wall as shown Assuming that the coefficient of static friction s is the same at A and B, determine the smallest value of s for which equilibrium is maintained 18 t 7 5ft

Question: A 19.5-ft ladder AB leans against a wall as shown. Assuming that the coefficient of static friction s is the same at A and B,

A 19.5-ft ladder AB leans against a wall as shown. Assuming that the coefficient of static friction μs is the same at A and B, determine the smallest value of μs for which equilibrium is maintained.

в 18 t 7.5ft

18 t 7.5ft

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