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A precast concrete wall section is temporarily held by two cables as shown. Knowing that t cable BD is 900 N, determine the moment about point O of the force exerted by the cable at A 2.5 m. B

A precast concrete wall section is temporarily held by two cables as shown. Knowing that t cable BD is 900 N, determine the moment about point O of the force exerted by the cable at A 2.5 m. B

Elements Of Electromagnetics
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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The problem involves a precast concrete wall section held by two cables. You're given that the tension in cable BD is 900 N. The task is to determine the moment about point O caused by the force exerted by the cable at B. ### Diagram Explanation: 1. **Diagram Layout**: - The wall section is vertical and rectangular, with one face visible in the xy-plane. - Points are labeled A, B (at the top), D (on the ground), and C & E (points in line with each quadrilateral corner). 2. **Coordinate and Measurements**: - O is a reference point at the bottom left corner of the wall. - Point B is 2.5 m above point A and at the top of the wall. - Point D is on the ground, at coordinates (1 m, 0, 2 m) relative to O. - Line segments are drawn from B to D (cable BD) and E (ground point). Use this setup to calculate the moment about O using the properties of vectors and forces in 3D space.
Transcribed Image Text:The problem involves a precast concrete wall section held by two cables. You're given that the tension in cable BD is 900 N. The task is to determine the moment about point O caused by the force exerted by the cable at B. ### Diagram Explanation: 1. **Diagram Layout**: - The wall section is vertical and rectangular, with one face visible in the xy-plane. - Points are labeled A, B (at the top), D (on the ground), and C & E (points in line with each quadrilateral corner). 2. **Coordinate and Measurements**: - O is a reference point at the bottom left corner of the wall. - Point B is 2.5 m above point A and at the top of the wall. - Point D is on the ground, at coordinates (1 m, 0, 2 m) relative to O. - Line segments are drawn from B to D (cable BD) and E (ground point). Use this setup to calculate the moment about O using the properties of vectors and forces in 3D space.
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