Example: The uniform 10-kg ladder in Fig. a rests against the smooth wall at B, and the end A rests on the rough horizontal plane for which the coefficient of static friction is µs = 0.3. Determine the angle of inclination 0 of the ladder and the normal reaction at B if the ladder is on the verge of slipping.

Example: The uniform 10-kg ladder in Fig. a rests against the smooth wall at B, and the end A rests on the rough horizontal plane for which the coefficient of static friction is µs = 0.3. Determine the angle of inclination 0 of the ladder and the normal reaction at B if the ladder is on the verge of slipping.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Example: The uniform 10-kg ladder in Fig. a rests against the smooth wall at B, and the end
A rests on the rough horizontal plane for which the coefficient of static friction is µs = 0.3.
Determine the angle of inclination 0 of the ladder and the normal reaction at B if the ladder is on
the verge of slipping.
10(9.81) N
B.
4 m
(4 m) sin 0
9.
A
N(2 m) cos 0 (2 m) cos 0
(а)
(b)

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