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Solved: The pulley in Fig. P9.75 has radius R and a moment
Chapter 9, Problem 83P(choose chapter or problem)
The pulley in Fig. P9.83 has radius R and a moment of inertia I. The rope does not slip over the pulley, and the pulley spins on a frictionless axle. The coefficient of kinetic friction between block A and the tabletop is \(m_{k}\) The system is released from rest, and block B descends. Block A has mass \(m_{A}\) and block B has mass \(m_{B}\) Use energy methods to calculate the speed of block B as a function of the distance d that it has descended.
Equation Transcription:
Text Transcription:
m_k
m_A
m_B
Questions & Answers
QUESTION:
The pulley in Fig. P9.83 has radius R and a moment of inertia I. The rope does not slip over the pulley, and the pulley spins on a frictionless axle. The coefficient of kinetic friction between block A and the tabletop is \(m_{k}\) The system is released from rest, and block B descends. Block A has mass \(m_{A}\) and block B has mass \(m_{B}\) Use energy methods to calculate the speed of block B as a function of the distance d that it has descended.
Equation Transcription:
Text Transcription:
m_k
m_A
m_B
ANSWER:
Solution 83P
Step 1:
Let the whole system shifted a distance “d”.
The change in potential energy of block B is,
.