Problem 7 (4.64): A 7 foot boom is held by a ball and socket at A and two cables EBF and DC. Cable EBF passes around a frictionless pulley at B. Determine the tension in each cable. Copyright © McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. 6 ft E F A В 3 ft 300 lb D 3 ft 4 ft→ 4 ft
Problem 7 (4.64): A 7 foot boom is held by a ball and socket at A and two cables EBF and DC. Cable EBF passes around a frictionless pulley at B. Determine the tension in each cable. Copyright © McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. 6 ft E F A В 3 ft 300 lb D 3 ft 4 ft→ 4 ft
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:**Problem 7 (4.64):** A 7-foot boom is held by a ball and socket at A and two cables, EBF and DC. Cable EBF passes around a frictionless pulley at B. Determine the tension in each cable.
**Diagram Explanation:**
- The setup includes a boom positioned horizontally.
- The boom is connected to a wall via a ball and socket joint at point A.
- Two cables, EBF and DC, support the boom.
- Cable EBF passes over a pulley at point B.
- A load of 300 lb is attached vertically downward at point C.
- Dimensions are as follows:
- The distance from A to B is the length of the boom (7 feet).
- Point D is located 3 feet below point A.
- Point E is located 6 feet above the x-axis and aligned vertically with point B.
- Point F is aligned vertically with point E.
- Distances between C, D, and the vertical axis include 3 feet and 4 feet intervals.
To solve, you must calculate the tension in cables EBF and DC due to the 300 lb load at point C and the geometry described.
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