$\text { A painter of weight } W \text { climbs a ladder of weight } W / 3 \text { and length } L . \text { At the position shown in the figure, the }$ $\text { ladder begins to slip. Assume that there is a frictionless roller at } A \text {. What is the coefficient of static friction, } \mu _ { s } \text {, at } B \text { ? }$

A) 0.19
B) 0.33
C) 0.68
D) 0.24

Question

$\text { A painter of weight } W \text { climbs a ladder of weight } W / 3 \text { and length } L . \text { At the position shown in the figure, the }$ $\text { ladder begins to slip. Assume that there is a frictionless roller at } A \text {. What is the coefficient of static friction, } \mu _ { s } \text {, at } B \text { ? }$
 
A) 0.19 
B) 0.33 
C) 0.68 
D) 0.24

Quizplus · Accepted Answer

The Answer is D