7. Friction, Inclines, Systems
Systems of Objects with Friction
9:35 minutes
Problem 5.23b
Textbook Question
Textbook Question(II) In Fig. 5–36 the coefficient of static friction between mass m_A and the table is 0.40, whereas the coefficient of kinetic friction is 0.30.
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(b) What value(s) of m_A will keep the system moving at constant speed? [Ignore masses of the cord and the (frictionless) pulley.]
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