3/14 The wall-mounted 2.5-kg light fixture has its mass center at G. Determine the reactions al A and B and also calculate the moment supported by the adjustment thumbscrew at C. (Note that the lightweight frame ABC has about 250 mm of horizontal tubing, directed into and out of the paper, at both A and B.) 100 mm 200 mm 10 mm A B 230 mm

3/14 The wall-mounted 2.5-kg light fixture has its mass center at G. Determine the reactions al A and B and also calculate the moment supported by the adjustment thumbscrew at C. (Note that the lightweight frame ABC has about 250 mm of horizontal tubing, directed into and out of the paper, at both A and B.) 100 mm 200 mm 10 mm A B 230 mm

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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Question

3/14 The wall-mounted 2.5-kg light fixture has its mass center at G.
Determine the reactions al A and B and also calculate the moment
supported by the adjustment thumbscrew at C. (Note that the lightweight
frame ABC has about 250 mm of horizontal tubing, directed into and out
of the paper, at both A and B.)
100 mm 200 mm
10 mm
A
B
230 mm

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Step 2: The sum of the forces in y-direction we can determine the horizontal reaction in point A :

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