(III) Two masses ma = 2.0 kg and mg = 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 uk = 0.30. If ma moves up, and mB moves down, determine their acceleration. [Ignore masses of the (frictionless) pulley and the cord.] mB 51° 21° FIGURE 4–61 Problem 65.

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Chapter6: Applications Of Newton's Laws
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(III) Two masses ma = 2.0 kg and mg = 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 uk = 0.30. If ma moves up, and mB
moves down, determine their acceleration. [Ignore masses
of the (frictionless) pulley and the cord.]
mB
51°
21°
FIGURE 4–61 Problem 65.
Transcribed Image Text:(III) Two masses ma = 2.0 kg and mg = 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 uk = 0.30. If ma moves up, and mB moves down, determine their acceleration. [Ignore masses of the (frictionless) pulley and the cord.] mB 51° 21° FIGURE 4–61 Problem 65.
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