Question

This practical activity allows you to have a theoretical and practical basis regarding physics. static. With the help of the PheT Colorado platform simulator, we will develop a system with known and unknown masses. From this, using the concept of torque, we will calculate the value of each of the masses. Therefore, the objectives of this activity are: 1) Apply the concept of Torque. 2) Determine how to calculate the value of an unknown mass by the principle of equilibrium rotation.

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Answer to a math question This practical activity allows you to have a theoretical and practical basis regarding physics. static. With the help of the PheT Colorado platform simulator, we will develop a system with known and unknown masses. From this, using the concept of torque, we will calculate the value of each of the masses. Therefore, the objectives of this activity are: 1) Apply the concept of Torque. 2) Determine how to calculate the value of an unknown mass by the principle of equilibrium rotation.

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Lurline
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107 Answers
1. Understand that torque (\tau) is the product of force and distance from the pivot point.
2. For a balanced system, the sum of clockwise torques equals the sum of counterclockwise torques.
3. Label the known mass as m_{\text{known}} and the unknown mass as m_{\text{unknown}}.
4. Position each mass at a distance from the pivot: d_{\text{known}} for the known mass and d_{\text{unknown}} for the unknown mass.
5. The equation for equilibrium is:

m_{\text{known}} \cdot g \cdot d_{\text{known}} = m_{\text{unknown}} \cdot g \cdot d_{\text{unknown}}

6. Simplify the equation assuming equal gravitational acceleration on both sides:

m_{\text{unknown}} = \frac{m_{\text{known}} \cdot d_{\text{known}}}{d_{\text{unknown}}}

7. Thus,

m_{\text{unknown}} = \frac{\tau_{\text{known}}}{g \cdot d_{\text{unknown}}}

Answer: m_{\text{unknown}} = \frac{m_{\text{known}} \cdot d_{\text{known}}}{d_{\text{unknown}}}

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