College Physics
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ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
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Two blocks are connected by a massless rope. The rope passes over an ideal (frictionless and massless) pulley such that one block with mass m1 = 13.25 kg is on a horizontal table and the other block with mass m2 = 9.5 kg hangs vertically. Both blocks experience gravity and the tension force, T. Use the coordinate system specified in the diagram.
1. Carefully consider how the accelerations a1 and a2 are related. Solve for the magnitude of the acceleration, a1, of the block of mass m1, in meters per square second.
2. Find the magnitude of the tension in the rope, T, in newtons.
Transcribed Image Text:The image depicts a classic physics problem involving two masses connected by a string over a pulley. This setup is commonly used to study the principles of classical mechanics, specifically tension and acceleration in connected systems.
### Diagram Details:
- **Mass \( m_1 \):**
- Positioned on a horizontal surface.
- Forces acting on it:
- Downward gravitational force \( m_1g \).
- Upward normal force \( N \).
- Horizontal tension \( T \) in the string.
- Horizontal acceleration \( a \) to the right.
- **Pulley System:**
- The string passes over a pulley, which is assumed to be frictionless.
- Tension \( T \) is the same on both sides of the pulley if the string and pulley are ideal (massless and frictionless).
- **Mass \( m_2 \):**
- Suspended vertically.
- Forces acting on it:
- Downward gravitational force \( m_2g \).
- Upward tension \( T \) in the string.
- Acceleration \( a \) downward.
### Key Concepts:
- **Normal Force (N):** The perpendicular contact force exerted by a surface on an object.
- **Tension (T):** The force conducted along the string, opposing the weight on the suspended mass and pulling the mass on the surface.
This setup allows exploration of Newton’s Second Law (\( F = ma \)) as applied to different masses and helps in determining the relationship between the forces, tension, and acceleration in such systems.
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