Concept explainers
When a 1.8-kg wrench is suspended in water from a spring scale, the scale reading is 1.6 kg. What is the density of the wrench?
The density of the wrench.
Answer to Problem 51A
The density of the wrench is
Explanation of Solution
Given:
The mass of the wrench is
The scale reading when the wrench is submerged in water is
Formula used:
The expression for pressure is
Here,
Calculation:
The mass of water displaced by the wrench is,
The volume of the water displaced is,
So, the density of the wrench is,
Conclusion:
Thus, the density of the wrench is
Chapter 19 Solutions
Conceptual Physics: The High School Physics Program
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