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10. An 8-kg cylinder C rests on a 4-kg platform A supported by a cord which passes over
the pulleys D and E and is attached to a 4-kg block B. Knowing that the system is released
from rest, determine (a) the velocity of block B after 0.8 s, (b) the force exerted by the
cylinder on the platform.
E
8 kg
C
4 kg
4 kg
bp

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