h 2.87 m (see Fig. 9-52). The center of gravity of the plank is at its center. The plank remains in equilibrium for any value of 0 68.0° but slips if < 68.0°. Find the coefficient of static friction between the plank and the ground. L FIGURE 9-52. Exercise 32.

h 2.87 m (see Fig. 9-52). The center of gravity of the plank is at its center. The plank remains in equilibrium for any value of 0 68.0° but slips if < 68.0°. Find the coefficient of static friction between the plank and the ground. L FIGURE 9-52. Exercise 32.

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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Concept explainers

Center of Gravity and Centroid

The term center of gravity indicates the position or location of a point about which the whole weight of a body or system is supposed to be concentrated, which means the whole weight of the body or system works through this point. It is closely related to mass distribution. For all positions of the body, the center of gravity would be a single point.

Question

h 2.87 m (see Fig. 9-52). The center of gravity of the plank
is at its center. The plank remains in equilibrium for any value
of 0 68.0° but slips if < 68.0°. Find the coefficient of
static friction between the plank and the ground.
L
FIGURE 9-52. Exercise 32.

32. A 274-N plank, of length L = 6.23 m, rests on the ground
and on a frictionless roller at the top of a wall of height

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