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Acceleration Pulley Two Masses Calculator

Atwood Machine Equation:

\[ a = \frac{(m_1 - m_2) \cdot g}{m_1 + m_2} \]

kg
kg
m/s²

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1. What is the Atwood Machine?

The Atwood machine is a classical physics apparatus consisting of two masses connected by a string that passes over a pulley. It demonstrates fundamental principles of mechanics and is used to study acceleration due to gravity and Newton's laws of motion.

2. How Does the Calculator Work?

The calculator uses the Atwood machine equation:

\[ a = \frac{(m_1 - m_2) \cdot g}{m_1 + m_2} \]

Where:

Explanation: The equation calculates the acceleration of two masses connected over a frictionless pulley, where the net force is proportional to the mass difference and gravitational acceleration.

3. Importance of Acceleration Calculation

Details: Understanding acceleration in pulley systems is fundamental to classical mechanics, engineering applications, and educational demonstrations of Newton's second law.

4. Using the Calculator

Tips: Enter both masses in kilograms and gravitational acceleration in m/s². Standard Earth gravity is 9.81 m/s². All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What happens when m₁ equals m₂?
A: When masses are equal, the acceleration becomes zero as the system remains in equilibrium.

Q2: Can this calculator be used for different planets?
A: Yes, simply change the gravity value to match the gravitational acceleration of the desired planet or location.

Q3: What are the assumptions in this calculation?
A: The calculation assumes a massless, frictionless pulley and string, with no air resistance or other external forces.

Q4: How does mass difference affect acceleration?
A: Greater mass difference results in higher acceleration, while smaller differences produce lower acceleration.

Q5: What is the direction of acceleration?
A: Acceleration occurs in the direction of the heavier mass, with the lighter mass accelerating upward.

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