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Q. Four identical masses of 2.5kg each are located at the corners of a square with 1.0 m sides. what is the net force on any one of the masses?

Q. A bucket of water of mass 14.1 is suspended by a rope wrapped around a windlass, that is a solid cylinder with diameter 0.250 with mass 12.1 . The cylinder pivots on a frictionless axle through its center. The bucket is released from rest at the top of a well and falls a distance 10.3 to the water. You can ignore the weight of the rope.

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