3. The ladder has a uniform weight of 80 lb and rests against the wall at B. If the coefficient if static friction at A and B is u = 0.40, determine the smallest angle 0 at which the ladder will not slip.

3. The ladder has a uniform weight of 80 lb and rests against the wall at B. If the coefficient if static friction at A and B is u = 0.40, determine the smallest angle 0 at which the ladder will not slip.

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 7.4P: The two homogeneous bars AB and BC are connected with a pin at B and placed between rough vertical...

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3. The ladder has a uniform weight of 80 lb and rests
against the wall at B. If the coefficient if static friction
at A and B is u = 0.40, determine the smallest angle 0
at which the ladder will not slip.
15 ft

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