In the (Figure 1) the coefficient of static friction between mass mAmA and the table is 0.50, whereas the coefficient of kinetic friction is 0.10. Ignore masses of the cord and the (frictionless) pulley. What minimum value of mAmA will keep the system from starting to move? Express your answer to two significant figures and include the appropriate units.
In the (Figure 1) the coefficient of static friction between mass mAmA and the table is 0.50, whereas the coefficient of kinetic friction is 0.10. Ignore masses of the cord and the (frictionless) pulley. What minimum value of mAmA will keep the system from starting to move? Express your answer to two significant figures and include the appropriate units.
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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In the (Figure 1) the coefficient of static friction between mass mAmA and the table is 0.50, whereas the coefficient of kinetic friction is 0.10. Ignore masses of the cord and the (frictionless) pulley.
What minimum value of mAmA will keep the system from starting to move?
Express your answer to two significant figures and include the appropriate units.
What value of mAmA will keep the system moving at constant speed?
Express your answer to two significant figures and include the appropriate units.
Transcribed Image Text:The image shows a classic physics problem involving a pulley system. It consists of two masses, \( m_A \) and \( m_B \), connected by a string that passes over a frictionless pulley.
- **Mass \( m_A \):** Located on a flat surface, this object is positioned horizontally. The specific weight of this mass is represented by \( m_A \).
- **Mass \( m_B \):** This object is hanging vertically off the edge of the surface and has a specified weight of 2.0 kg.
- **Pulley:** The string connecting the two masses is looped over a pulley, facilitating the movement of the two masses as they interact through gravitational and tension forces.
This setup can be used to explore concepts such as Newton's laws of motion, tension in strings, gravitational force, and acceleration in a system.
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