F L 30 F L A E L L L L В D M

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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Please answer and show steps, thank you

F
L
30
F
L
A
E
L
L
L
L
В
D
M
Transcribed Image Text:F L 30 F L A E L L L L В D M
Expert Solution
Step 1

Drawing the free body diagram of the given system:-

Mechanical Engineering homework question answer, step 1, image 1

 

Step 2

Calculating the reaction at B and D.

Mechanical Engineering homework question answer, step 2, image 1

Taking moment about B.

Mechanical Engineering homework question answer, step 2, image 2

From equation (1),

Mechanical Engineering homework question answer, step 2, image 3

Hence the reaction at B and D are –

Mechanical Engineering homework question answer, step 2, image 4

 

Step 3

Calculation for SFD and BMD:

Now shift the vertical force F sin30º at C as shown in the figure.

Mechanical Engineering homework question answer, step 3, image 1

The horizontal force F cos30º has eliminated as it has no role in the calculation for SFD and BMD.

Calculating Shear at the different section as follows –

Mechanical Engineering homework question answer, step 3, image 2

Drawing the SFD as shown below –

Mechanical Engineering homework question answer, step 3, image 3

 

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