19. Fluid Mechanics
Buoyancy & Buoyant Force
11:03 minutes
Problem 13.90
Textbook Question
Textbook QuestionA tub of water rests on a scale as shown in Fig. 13–61. The weight of the tub plus water is 100 N. A 50-N concrete brick is tied by a cord to a fixed arm and lowered into the water but does not touch the bottom of the tub. What does the scale read now? [Hint: Draw two free-body diagrams, one for the brick and a second one for the tub + water + brick.]
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