Block A is positioned on a 30° slope, and is connected by a cord to add of the top end of Rod. BC, as shown. The coeffienct of static friction at all three sites (A, B, and C) is µg = 0,20. Assuming that the pulley is frictionless, find the smallest value of WA that is consistent with equilibrium.
Block A is positioned on a 30° slope, and is connected by a cord to add of the top end of Rod. BC, as shown. The coeffienct of static friction at all three sites (A, B, and C) is µg = 0,20. Assuming that the pulley is frictionless, find the smallest value of WA that is consistent with equilibrium.
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Transcribed Image Text:(2)
A
30
B
30
Black: weight
weight = W₁A = TBD
Rod: [weight = W = 46 N
length = L = will cancel out
friction:
μg = 0.20
Block A is positioned on a 30° slope, and is connected by a card to end of
the top end of Rod. Bc,
as shown. The coeffienet of static friction at
all three sites (A, B, and C) is μg = 0.20. Assuming that the pulley
is frictionless, find the smallest value of WA that is consistent with
equilibrium.
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