The uniform 10-kg ladder in Fig. 8–9a 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 H, = 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.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The uniform 10-kg ladder in Fig. 8–9a 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 u,
= 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.
Ng
10(9.81) N
B.
4 m
|(4 m) sin e
N(2 m) cos 0 '(2 m) cos e
(a)
(b)
Transcribed Image Text:The uniform 10-kg ladder in Fig. 8–9a 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 u, = 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. Ng 10(9.81) N B. 4 m |(4 m) sin e N(2 m) cos 0 '(2 m) cos e (a) (b)
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