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When Crates A and B of mass mA = 37 kg and mB = 64 kg are released from rest, Crate A moves to the right| on a rough surface ( µs = 0.6 , µk = 0.4 ). The external force P = 11 Newtons is always acting on Crate B. The linear spring has a stiffness of k = 430 N and is initially stretched 0.5 meters before the system is released from rest. Neglect the mass of the pulleys and cables and neglect friction in the pulley bearings. Determine the work done by the friction force (in Joules) when Crate A has moved a distance of 0.9 meters to the right. Consider g = 10 m.

When Crates A and B of mass mA = 37 kg and mB = 64 kg are released from rest, Crate A moves to the right| on a rough surface ( µs = 0.6 , µk = 0.4 ). The external force P = 11 Newtons is always acting on Crate B. The linear spring has a stiffness of k = 430 N and is initially stretched 0.5 meters before the system is released from rest. Neglect the mass of the pulleys and cables and neglect friction in the pulley bearings. Determine the work done by the friction force (in Joules) when Crate A has moved a distance of 0.9 meters to the right. Consider g = 10 m.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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When Crates A and B of mass ma = 37 kg and mB = 64 kg are released from rest, Crate A moves to the right on a rough surface ( us = 0.6 , µk = 0.4 ). The external force P = 11 Newtons is always acting on Crate B. The linear spring has a stiffness of k = 430 and is initially stretched 0.5 meters before the system is released from rest. Neglect the mass of the pulleys and cables and neglect friction in the pulley bearings. Determine the work done by the friction force (in Joules) when Crate A has moved a distance of 0.9 meters to the right. Consider g = 10 m.
Transcribed Image Text:When Crates A and B of mass ma = 37 kg and mB = 64 kg are released from rest, Crate A moves to the right on a rough surface ( us = 0.6 , µk = 0.4 ). The external force P = 11 Newtons is always acting on Crate B. The linear spring has a stiffness of k = 430 and is initially stretched 0.5 meters before the system is released from rest. Neglect the mass of the pulleys and cables and neglect friction in the pulley bearings. Determine the work done by the friction force (in Joules) when Crate A has moved a distance of 0.9 meters to the right. Consider g = 10 m.
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