Problem A2:
In the figure above, the three weights are hanging in static equilibrium. The
two weights left and right of center have a mass of n1 Kg. The
weight in the center has a mass of n2 Kg. Treat the strings as
massless and the pulleys as frictionless. If the sin of the angle
&theta in the figure is sin &theta = 1/n3 , what is
n3?
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