For the structure shown, there are pins at A, B and C. With a neat, labeled free body diagram of bar BC and the L-shaped bar separately, 1. Determine the support reactions at A, 2. Determine the reactions at B and C. What is the bar BC called?
For the structure shown, there are pins at A, B and C. With a neat, labeled free body diagram of bar BC and the L-shaped bar separately, 1. Determine the support reactions at A, 2. Determine the reactions at B and C. What is the bar BC called?
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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Transcribed Image Text:For the structure shown, there are pins at A, B, and C. With a neat, labeled free body diagram of bar BC and the L-shaped bar separately:
1. Determine the support reactions at A.
2. Determine the reactions at B and C. What is the bar BC called?
**Diagram Explanation:**
- The image shows a structure with an L-shaped bar and bar BC.
- A downward force of 2 kN is applied at the right end of the horizontal bar.
- A torque of 3 kN-m is applied clockwise at the top corner.
- A force of 3 kN is applied at a 25-degree angle from the horizontal to the left.
- Support distances are labeled:
- Vertical distance from A to B is 700 mm.
- Horizontal distance from A to C is 250 mm.
- Horizontal distance from C to the bar along the horizontal is 150 mm.
- Horizontal distance from B directly left is 500 mm.
- Vertical component from the horizontal bar to the 2 kN force is 300 mm.
This diagram is used to analyze the structural load and reactions at the pins A, B, and C. Bar BC is often considered a link or tie in such configurations.
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