The uniform 10-kg ladder in Fig. 8–9a rests against the smooth wall atB, and the end A rests on the rough horizontal plane for which thecoefficient of static friction is u,= 0.3. Determine the angle ofinclination 0 of the ladder and the normal reaction at B if the ladder ison the verge of slipping.Ng10(9.81) NB.4 m|(4 m) sin eN(2 m) cos 0 '(2 m) cos e(a)(b)

Answered: The uniform 10-kg ladder in Fig. 8–9a…

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.49P

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