College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Please help with calculating Fp.

A person pulls at an angle of \( \theta = 34.0^\circ \) on three connected crates with masses \( m_1 = 25.0 \, \text{kg} \), \( m_2 = 18.0 \, \text{kg} \), and \( m_3 = 15.0 \, \text{kg} \) over a smooth horizontal floor. The crates are linked by identical massless horizontal strings A and B, each with a maximum tension capacity of 45.0 N before breaking. ### Diagram Explanation: - **Crates:** The image displays three wooden crates labeled \( m_1 \), \( m_2 \), and \( m_3 \). - **Strings:** There are two horizontal strings, labeled A (between \( m_1 \) and \( m_2 \)) and B (between \( m_2 \) and \( m_3 \)). - **Pulling Force:** An arrow labeled "Pull" is shown at an angle \( \theta = 34.0^\circ \) from the horizontal. ### Questions: 1. **What is the magnitude \( F_p \) of the largest pulling force that can be exerted without breaking either of the strings?** - **Answer Field:** \( F_p = 27.5 \, \text{N} \) (Incorrect) 2. **What is the magnitude \( T_B \) of the tension in string B just before one of the strings breaks?** - **Answer Field:** \( T_B = \) (Incorrect) 3. **What is the magnitude \( T_A \) of the tension in string A just before one of the strings breaks?** - **Answer Field:** \( T_A = \) (Incorrect)
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Transcribed Image Text:A person pulls at an angle of \( \theta = 34.0^\circ \) on three connected crates with masses \( m_1 = 25.0 \, \text{kg} \), \( m_2 = 18.0 \, \text{kg} \), and \( m_3 = 15.0 \, \text{kg} \) over a smooth horizontal floor. The crates are linked by identical massless horizontal strings A and B, each with a maximum tension capacity of 45.0 N before breaking. ### Diagram Explanation: - **Crates:** The image displays three wooden crates labeled \( m_1 \), \( m_2 \), and \( m_3 \). - **Strings:** There are two horizontal strings, labeled A (between \( m_1 \) and \( m_2 \)) and B (between \( m_2 \) and \( m_3 \)). - **Pulling Force:** An arrow labeled "Pull" is shown at an angle \( \theta = 34.0^\circ \) from the horizontal. ### Questions: 1. **What is the magnitude \( F_p \) of the largest pulling force that can be exerted without breaking either of the strings?** - **Answer Field:** \( F_p = 27.5 \, \text{N} \) (Incorrect) 2. **What is the magnitude \( T_B \) of the tension in string B just before one of the strings breaks?** - **Answer Field:** \( T_B = \) (Incorrect) 3. **What is the magnitude \( T_A \) of the tension in string A just before one of the strings breaks?** - **Answer Field:** \( T_A = \) (Incorrect)
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