This PhysCast is going to look at static equilibrium applied to a ladder leaning against a wall. A ladder of mass m and length L is leaning against a wall. The wall is frictionless and the coefficient of static friction between the ladder and the ground is mu. Find an expression for the minimum angle which the ladder can be lent without slipping?

A leaning ladder (PhysCasts)

PhysCasts are narrated screen video recordings explaining physics concepts and their application to problem-solving. They have been produced by Swinburne University of Technology's Faculty of Science, Engineering and Technology. The series is part of an ongoing collaborative research project to develop high quality resources and investigate the effectiveness of screencasts to support learning. PhysCasts are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License: http://creativecommons.org/licenses/by-nc-nd/3.0/.

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A leaning ladder (PhysCasts)

A leaning ladder (PhysCasts)