Physics: Principles with Applications
7th Edition
ISBN: 9780321625922
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
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Chapter 4, Problem 65P
Two masses mA= 2.0 kg and mB= 5.0 kg are on inclines and are connected together by a string as shown in Fig. 4-61. The coefficient of kinetic friction between each mass and its incline is
Figure 4-61 Problem 65.
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In Fig. 3-19, the weights of the objects are 200 N and 300 N. The pulleys are essentially friction-
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A
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Fri
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(III) (a) Suppose the coefficient of kinetic friction between
ma and the plane in Fig. 4-62 is µk = 0.15, and that
mA = mB = 2.7 kg. As mB moves down, determine the
magnitude of the acceleration of ma and mg, given 0 = 34°.
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accelerating? [Ignore masses of the (frictionless) pulley and
the cord.]
mB
FIGURE 4-62
Problem 67.
Chapter 4 Solutions
Physics: Principles with Applications
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