$17-36. The desk has a weight of 75 lb and a center of gravity at G. Determine the initial acceleration of a desk man applies enough force F to overcome the static when the friction at A and B. Also, find the vertical reactions on each of the two legs at A and at B. The coefficients of static and kinetic friction at A andB are µ̟ = 0.5 and µk = 0.2, respectively. 30° 1 ft 2 ft 2 ft 2 ft-

$17-36. The desk has a weight of 75 lb and a center of gravity at G. Determine the initial acceleration of a desk man applies enough force F to overcome the static when the friction at A and B. Also, find the vertical reactions on each of the two legs at A and at B. The coefficients of static and kinetic friction at A andB are µ̟ = 0.5 and µk = 0.2, respectively. 30° 1 ft 2 ft 2 ft 2 ft-

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

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

This is a dynamics problem.

Answers: F = 60.88 lb,

a_G = 13.6 ft/s²,

N_A = 44.2 lb,

N_B = 61.2 lb

$17-36. The desk has a weight of 75 lb and a center of
gravity at G. Determine the initial acceleration of a desk
man applies enough force F to overcome the static
when the
friction at A and B. Also, find the vertical reactions on each
of the two legs at A and at B. The coefficients of static and
kinetic friction at A andB are µ̟ = 0.5 and µk = 0.2,
respectively.
30°
1 ft
2 ft
2 ft 2 ft-

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