A 104.8N tightrope walker stands at the center of the rope such that each half of the rope makes an angle of 8 degrees with the horizontal. What is the tension in the rope?
A 104.8N tightrope walker stands at the center of the rope such that each half of the rope makes an angle of 8 degrees with the horizontal. What is the tension in the rope?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![**Problem Statement:**
A 104.8 N tightrope walker stands at the center of the rope such that each half of the rope makes an angle of 8 degrees with the horizontal. What is the tension in the rope?
**Explanation:**
To solve this problem, consider the forces acting on the tightrope walker. The walker applies their entire weight downward (104.8 N), which is balanced by the tension in the two segments of the rope. Because the rope is symmetrical, each half of the rope supports half the walker’s weight.
**Steps to Calculate Tension:**
1. Resolve the forces horizontally and vertically.
2. Use the vertical component of the tension to balance the walker’s weight.
3. If \( T \) is the tension in the rope, then the vertical component for each half of the rope is \( T \cdot \sin(8^\circ) \).
4. The sum of the vertical components from both halves of the rope equals the weight of the walker:
\[ 2 \cdot T \cdot \sin(8^\circ) = 104.8 \, \text{N} \]
5. Solve for \( T \):
\[ T = \frac{104.8}{2 \cdot \sin(8^\circ)} \]
\[ T \approx \frac{104.8}{0.278} \]
\[ T \approx 188.49 \, \text{N} \]
The tension in the rope is approximately 188.49 N.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa1eee872-192e-4576-b619-5373c0c417e5%2F6224d005-c148-4b7f-b56c-bd17fdc28e11%2Fu6kvuh4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem Statement:**
A 104.8 N tightrope walker stands at the center of the rope such that each half of the rope makes an angle of 8 degrees with the horizontal. What is the tension in the rope?
**Explanation:**
To solve this problem, consider the forces acting on the tightrope walker. The walker applies their entire weight downward (104.8 N), which is balanced by the tension in the two segments of the rope. Because the rope is symmetrical, each half of the rope supports half the walker’s weight.
**Steps to Calculate Tension:**
1. Resolve the forces horizontally and vertically.
2. Use the vertical component of the tension to balance the walker’s weight.
3. If \( T \) is the tension in the rope, then the vertical component for each half of the rope is \( T \cdot \sin(8^\circ) \).
4. The sum of the vertical components from both halves of the rope equals the weight of the walker:
\[ 2 \cdot T \cdot \sin(8^\circ) = 104.8 \, \text{N} \]
5. Solve for \( T \):
\[ T = \frac{104.8}{2 \cdot \sin(8^\circ)} \]
\[ T \approx \frac{104.8}{0.278} \]
\[ T \approx 188.49 \, \text{N} \]
The tension in the rope is approximately 188.49 N.
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