A mannequin on skis with mass m must be mounted in a shop window. The manikin must be placed on a sloping plank with a static coefficient of friction μ. The center of the doll's is at a point with the distances a to the plank when the doll is standing vertically. Other dimensions can be seen in the figure. The shop wants the angle α to be increased until the skier slides down the plank but never rolls down or tips. What is the relationship between μ and dimension a for the boundary angle when the doll turns? In other words, what is the maximum allowed μ?
A mannequin on skis with mass m must be mounted in a shop window. The manikin must be placed on a sloping plank with a static coefficient of friction μ. The center of the doll's is at a point with the distances a to the plank when the doll is standing vertically. Other dimensions can be seen in the figure. The shop wants the angle α to be increased until the skier slides down the plank but never rolls down or tips. What is the relationship between μ and dimension a for the boundary angle when the doll turns? In other words, what is the maximum allowed μ?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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3) A mannequin on skis with mass m must be mounted in a shop window. The manikin must be placed on a sloping plank with a static coefficient of friction μ. The center of the doll's is at a point with the distances a to the plank when the doll is standing vertically. Other dimensions can be seen in the figure. The shop wants the angle α to be increased until the skier slides down the plank but never rolls down or tips. What is the relationship between μ and dimension a for the boundary angle when the doll turns? In other words, what is the maximum allowed μ?
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