Romeo takes a uniform 10-m ladder and leans it against the smooth wall of the Capulet residence. The...

Question

Romeo takes a uniform 10-m ladder and leans it against the smooth wall of the Capulet residence. The ladder’s mass is 22.0 kg, and the bottom rests on the ground 2.8 m from the wall. When Romeo, whose mass is 70 kg, gets 90% of the way to the top, the ladder begins to slip. What is the coefficient of static friction between the ground and the ladder?

David · Accepted Answer

As the ladder is shown to be in equilibrium, its the situation of translational and rotational                
equilibrium​ ​expressed​ ​as 
​ ​……………………Eq.1μs  = F n
f s,max  
Here,  
​ ​=0∑
 
 
τ  
Such​ ​that,

Romeo takes a uniform 10-m ladder and leans it against the smooth wall of the Capulet residence. The ladder’s mass is 22.0 kg, and the bottom rests on the ground 2.8 m from the wall. When Romeo, whose...

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