Calculate the force in each cable for the suspended weight shown.
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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4.12 Calculate the force in each cable for the suspended weight shown.

Transcribed Image Text:**Educational Website Content:**
**Title: Calculating Forces in Cables for Suspended Weights**
**Objective:**
Learn how to calculate the force in each cable holding a suspended weight.
**Problem Statement:**
Determine the force in each cable supporting the 500-pound weight (W) as depicted in the diagram.
**Diagram Description:**
The diagram shows a weight, labeled as \( W \), with a force of 500 lb, suspended at a point K by two cables. The cables are attached to fixed points on a horizontal axis (\( X \)-axis).
- The cable on the left is at a 45-degree angle with the horizontal axis.
- The cable on the right is at a 30-degree angle with the horizontal axis.
Both cables are shown with tension forces making angles with the horizontal.
**Explanation:**
To solve for the tension in each cable, apply the principles of static equilibrium. The sum of forces in both the horizontal and vertical directions must be equal to zero because the system is in equilibrium.
1. **Horizontal Force Equilibrium:**
- Let \( T_1 \) be the tension in the cable at 45°.
- Let \( T_2 \) be the tension in the cable at 30°.
- Equation: \( T_1 \cos(45°) = T_2 \cos(30°) \).
2. **Vertical Force Equilibrium:**
- The vertical components of the tensions must add up to the weight.
- Equation: \( T_1 \sin(45°) + T_2 \sin(30°) = 500 \, \text{lb} \).
By solving these two equations, you will find the values of \( T_1 \) and \( T_2 \), representing the forces in each cable necessary to maintain equilibrium. This foundational physics problem demonstrates the application of trigonometry and equilibrium conditions.
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