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7. If the U tube is in equilibrium, the density of liquid A: a. Is smaller than the density of liquid B. b. Is

7. If the U tube is in equilibrium, the density of liquid A: a. Is smaller than the density of liquid B. b. Is the same as B depending on the respective diameters of each side of the U tube. c. Is greater than the density of liquid B d. None of the above answers are correct. 8. In the diagram below all members are solid and rigid. Which member is in tension and which is in compression? B W Compression a. AC b. BC c. BD d. AB Tension AB A AC BC AB B

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