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Understanding Buoyant Forces: A Quiz on Density and Weight of Objects in Water

Test your knowledge about buoyancy with this quiz focused on the principles of density and weight of objects submerged in water. You will analyze three different objects, including lead and gold bricks, placed on scales at the bottom of a lake. The quiz includes questions regarding their buoyant forces and how they behave in different conditions, such as when submerged in mercury. Challenge yourself to determine which statements about their buoyant forces and weights are true. Perfect for students and enthusiasts of physics!

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Understanding Buoyant Forces: A Quiz on Density and Weight of Objects in Water

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  1. Quiz, Section I 1. What is your section number? 2. Three objects rest on bathroom scales at a lake bottom. Object 1 is a lead brick of volume 0.2 m3 Object 2 is a gold brick of volume 0.2 m3 Object 3 is a lead brick of volume 0.1 m3 DATA: specific gravity of lead = 11.3 specific gravity of gold = 19.3 specific gravity of mercury = 13.6 Which statement is true? a) #1 and #2 have the same buoyant force b) #1 and #2 register the same weights on the scales c) #1 and #3 have the same buoyant force d) #1 and #3 register the same weights on the scales e) If the lake were filled with mercury, the scales would not change.

  2. Quiz, Section II 1. What is your section number? 2. Three objects rest on bathroom scales at a lake bottom. Object 1 is a lead brick of volume 0.2 m3 Object 2 is a gold brick of volume 0.2 m3 Object 3 is a lead brick of volume 0.1 m3 DATA: specific gravity of lead = 11.3 specific gravity of gold = 19.3 specific gravity of mercury = 13.6 Which statement is true? a) #1 and #3 have the same buoyant force b) #1 and #3 register the same weights on the scales c) #1 and #2 have the same buoyant force d) #1 and #2 register the same weights on the scales e) If the lake were filled with mercury, the scales wold not change.

  3. Quiz, Section III 1. What is your section number? 2. Three objects rest on bathroom scales at a lake bottom. Object 1 is a lead brick of volume 0.2 m3 Object 2 is a gold brick of volume 0.2 m3 Object 3 is a lead brick of volume 0.1 m3 DATA: specific gravity of lead = 11.3 specific gravity of gold = 19.3 specific gravity of mercury = 13.6 Which statement is true? a) #1 and #2 have the same buoyant force b) #1 and #3 have the same buoyant force c) #1 and #2 register the same weights on the scales d) #1 and #3 register the same weights on the scales e) If the lake were filled with mercury, the scales would not change.

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