Two masses MA = 4.5 kg and MB = 9.3 kg are connected by a single massless rope as shown. The pully is frictionless and massless. Ignore air drag and use g=9.81 m/s2. A free-body diagram is required in the organize (O) section. The elements of the GOAL method are shown below on page 2. As always, I suggest thinking of the simplest/quickest solution method that will solve the problem. a) Find the acceleration of block B when there is no friction between the masses and the surface. b) Find the acceleration of block B when there is kinetic friction between the surfaces with Uk=0.27 A B 60°
Two masses MA = 4.5 kg and MB = 9.3 kg are connected by a single massless rope as shown. The pully is frictionless and massless. Ignore air drag and use g=9.81 m/s2. A free-body diagram is required in the organize (O) section. The elements of the GOAL method are shown below on page 2. As always, I suggest thinking of the simplest/quickest solution method that will solve the problem. a) Find the acceleration of block B when there is no friction between the masses and the surface. b) Find the acceleration of block B when there is kinetic friction between the surfaces with Uk=0.27 A B 60°
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Transcribed Image Text:Two masses MA = 4.5 kg and MB = 9.3 kg are connected by a single
massless rope as shown. The pully is frictionless and massless. Ignore air drag and
use g=9.81 m/s2. A free-body diagram is required in the organize (O) section. The
elements of the GOAL method are shown below on page 2. As always, I suggest
thinking of the simplest/quickest solution method that will solve the problem.
a) Find the acceleration of block B when there is no friction between the masses
and the
surface.
b) Find the acceleration of block B when there is kinetic friction between the
surfaces with
Uk=0.27
A
B
60°
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