Question: Spring scale A is attached to the ceiling. A 10.0-kg mass is suspended from the scale. A second spring scale, B, is hanging from a

Spring scale A is attached to the ceiling. A 10.0-kg mass is suspended from the scale. A second spring scale, B, is hanging from a hook at the bottom of the 10.0-kg mass and a 4.0-kg mass hangs from the second spring scale.
(a) What are the readings of the two scales if the masses of the scales are negligible?
(b) What are the readings if each scale has a mass of 1.0 kg?

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