A rigid rod of length 2m and weight 20N is placed between wall and floor making an angle a with the floor as shown in the following figure. The contact between rigid rod and wall is smooth at A while with the floor is rough at B. The coefficient of static friction between rod and floor is µs=0.35. 4.66 W a 7 a) If the angle a=650, the friction at B is b) The minimum angle a for the rigid rod to remain at rest is 3.64 5.77 7 8 9 11 at rest B 55 48 42 61 and the static friction at B is, thus the system is in motion in impending motion in intermediate motion
A rigid rod of length 2m and weight 20N is placed between wall and floor making an angle a with the floor as shown in the following figure. The contact between rigid rod and wall is smooth at A while with the floor is rough at B. The coefficient of static friction between rod and floor is µs=0.35. 4.66 W a 7 a) If the angle a=650, the friction at B is b) The minimum angle a for the rigid rod to remain at rest is 3.64 5.77 7 8 9 11 at rest B 55 48 42 61 and the static friction at B is, thus the system is in motion in impending motion in intermediate motion
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A rigid rod of length 2m and weight 20N is placed between wall and floor making an angle a with the floor as shown in the
following figure. The contact between rigid rod and wall is smooth at A while with the floor is rough at B. The coefficient of
static friction between rod and floor is µs=0.35.
W
a
4.66 3.64 5.77 7
7
a) If the angle a=650, the friction at B is
b) The minimum angle a for the rigid rod to remain at rest is.
8 9 11
at rest
B
55 48 42 61
and the static friction at B is
in motion
thus the system is
in impending motion in intermediate motion
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