A block of iron is suspended from one end of an equal-arm balance by a thin wire. To balance the scales, 4.35 kg are needed on the scale pan at the other end. The density of iron is 7.87×103 kg/m3 and the density of water is 9.98×102 kg/m3. What is the volume of the block (in m3)? Next, a beaker of water is placed so that the iron block, suspended as above, is submerged in the beaker but not touching the bottom (see the figure). What mass (in kg) is now necessary to balance the scales?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 24CQ: Look back to figure 14.29. Answer the following two question. Why is poless than atmospheric? Why is...
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A block of iron is suspended from one end of an equal-arm balance by a thin wire. To balance the scales, 4.35 kg are needed on the scale pan at the other end. The density of iron is 7.87×103 kg/m3 and the density of water is 9.98×102 kg/m3. What is the volume of the block (in m3)? Next, a beaker of water is placed so that the iron block, suspended as above, is submerged in the beaker but not touching the bottom (see the figure). What mass (in kg) is now necessary to balance the scales?

? kg
Block submerged
in water
Figure 10.35
Problems 10.20 and 10.30.
Transcribed Image Text:? kg Block submerged in water Figure 10.35 Problems 10.20 and 10.30.
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