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Determine the constant force P required to give the system of the three blocks A, B, and C as shown in
the figure a velocity of 3 m/s after moving 4.5m from the rest. The coefficient of friction between blocks
and the plane is 0.3. Assume the pulleys to be smooth.
A
WA = 250 N
WB = 1000 N
Wc = 500 N
H = 0.3
с
v = 3 m/s
B

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