Tham khảo tài liệu 'physics_test_bank_split_15', khoa học tự nhiên, vật lý phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Simpo PDF Merge and Split Unregistered Version - http 22. An object completely submerged in a fluid displaces its own volume of fluid . This is A. Pascal s paradox B. Archimedes principle C. Pascal s principle D. true but none of the above E. false ans D 23. A certain object floats in fluids of density 1. 2. P0 3. Which of the following statements is true A. the buoyant force of fluid i is greater than the buoyant forces of the other two fluids B. the buoyant force of fluid 3 is greater than the buoyant forces of the other two fluids C. the three fluids exert the same buoyant force D. the object displace the same volume of all three fluids E. none of these are true ans C 24. A certain object floats in fluids of density 1. 2. P0 3. Rank these fluids according to the volume displaced by the object least to greatest. A. 1 2 3 B. 3 2 1 C. 2 3 1 D. 3 1 2 E. All are the same ans B Chapter 14 FLUIDS 211 Simpo PDF Merge and Split Unregistered Version - http 25. Two identical blocks of ice float in water as shown. Then A ---- B A. block A displaces a greater volume of water since the pressure acts on a smaller bottom area B. block B displaces a greater volume of water since the pressure is less on its bottom C. the two blocks displace equal volumes of water since they have the same weight D. block A displaces a greater volume of water since its submerged end is lower in the water E. block B displaces a greater volume of water since its submerged end has a greater area ans C 26. A block of ice at 0 C is floating on the surface of ice water in a beaker. The surface of the water just comes to the top of the beaker. When the ice melts the water level will A. rise and overflow will occur B. remain the same C. fall D. depend on the initial ratio of water to ice E. depend on the shape of the block of ice ans B 27. A block of ice at 0 C containing a piece of cork is floating on the surface of ice water in a beaker. When the
