Suppose m1 = 4.5 kg and there is no friction between m2 and the ramp. What would the mass m2 have to be in order for the acceleration of the blocks to be zero?

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Chapter1: Units, Trigonometry. And Vectors
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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 Description:**

Given:
- Mass \( m_1 = 4.5 \, \text{kg} \)
- No friction between \( m_2 \) and the ramp

Objective: Determine the mass \( m_2 \) such that the acceleration of the blocks is zero.

**Diagram Explanation:**

- The diagram shows a right triangle representing an inclined plane with a \( 22^\circ \) angle to the horizontal.
- Block \( m_2 \) is placed on the inclined plane, and it is connected via a pulley system to block \( m_1 \), which hangs vertically.
- The pulley is depicted as a circle at the top of the ramp, indicating that the weight of \( m_1 \) might affect the tension and equilibrium of the system.

**Conceptual Analysis:**

- To have zero acceleration, the forces on \( m_1 \) and \( m_2 \) must be balanced.
- For \( m_1 \), the force due to gravity (\( m_1g \)) must be equal to the tension in the cable.
- For \( m_2 \), the component of gravitational force down the incline (\( m_2g \sin(22^\circ) \)) must match the tension in the cable.

Use these equations:
1. \( m_1g = m_2g \sin(22^\circ) \)
2. Solve for \( m_2 \) in terms of \( m_1 \).

**Learning Focus:**

This problem addresses concepts in physics such as:
- Equilibrium of forces
- Dynamics on an inclined plane
- Application of trigonometry to resolve forces

By manipulating these principles, students can better understand how forces interact in systems involving pulleys and inclines.
Transcribed Image Text:**Problem Description:** Given: - Mass \( m_1 = 4.5 \, \text{kg} \) - No friction between \( m_2 \) and the ramp Objective: Determine the mass \( m_2 \) such that the acceleration of the blocks is zero. **Diagram Explanation:** - The diagram shows a right triangle representing an inclined plane with a \( 22^\circ \) angle to the horizontal. - Block \( m_2 \) is placed on the inclined plane, and it is connected via a pulley system to block \( m_1 \), which hangs vertically. - The pulley is depicted as a circle at the top of the ramp, indicating that the weight of \( m_1 \) might affect the tension and equilibrium of the system. **Conceptual Analysis:** - To have zero acceleration, the forces on \( m_1 \) and \( m_2 \) must be balanced. - For \( m_1 \), the force due to gravity (\( m_1g \)) must be equal to the tension in the cable. - For \( m_2 \), the component of gravitational force down the incline (\( m_2g \sin(22^\circ) \)) must match the tension in the cable. Use these equations: 1. \( m_1g = m_2g \sin(22^\circ) \) 2. Solve for \( m_2 \) in terms of \( m_1 \). **Learning Focus:** This problem addresses concepts in physics such as: - Equilibrium of forces - Dynamics on an inclined plane - Application of trigonometry to resolve forces By manipulating these principles, students can better understand how forces interact in systems involving pulleys and inclines.
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