wall at an angle of 60°. What is the minimum value of the coefficient of static friction with the ground, that prevents the ladder from slipping?

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
Problem 82A
Question
Ladder Slip? A 3.0-m-long ladder leans against a frictionless
wall at an angle of 60°. What is the minimum value of the coefficient of static friction with
the ground, that prevents the ladder from slipping?
\L=3.0 m
dz
Center
of mass
• net = 0 about
this point.
60°
Gravity acts at
di
the center of mass.
***** Static friction
prevents slipping.
Transcribed Image Text:Ladder Slip? A 3.0-m-long ladder leans against a frictionless wall at an angle of 60°. What is the minimum value of the coefficient of static friction with the ground, that prevents the ladder from slipping? \L=3.0 m dz Center of mass • net = 0 about this point. 60° Gravity acts at di the center of mass. ***** Static friction prevents slipping.
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