A uniform ladder 5 m long and weighing 80N rests against on a vertical wall at B and one end at A (on the ground). The angle of friction at all contact surfaces is 21.8°. Find the smallest angle 0 at which the ladder can be inclined with the horizontal before it is on its verge of slipping.

A uniform ladder 5 m long and weighing 80N rests against on a vertical wall at B and one end at A (on the ground). The angle of friction at all contact surfaces is 21.8°. Find the smallest angle 0 at which the ladder can be inclined with the horizontal before it is on its verge of slipping.

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 7.55P: A wedge is used to prop up the 6000-lb block of marble. The wedge angle is =30, and the angle of...

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