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Physics, 12.02.2020 05:23 lollipop83
A ball is hanging from a long string that is tied to the ceiling of a train car traveling eastward on horizontal tracks. An observer inside the train car sees the ball hang motionless. Draw a clearly labeled free-body diagram for the ball if (a) the train has a uniform velocity and (b) the train is speeding up uniformly. Is the net force on the ball zero in either case? Explain.
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A ball is hanging from a long string that is tied to the ceiling of a train car traveling eastward o...
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