Concept explainers
The weight of a 1 kg substance in N.
The weight of a 1 kg substance in kN.
The weight of a 1 kg substance in
The weight of a 1 kg substance in kgf.
The weight of a 1 kg substance in
The weight of a 1 kg substance in lbf.
Explanation of Solution
Given:
The mass of the substance
The acceleration of gravity
Calculation:
Write the expression of Newton’s second law for the weight of a substance.
For N,
Substitute
Thus, The weight of a 1 kg substance in N is
For kN,
Substitute
Thus, The weight of a 1 kg substance in kN is
For
Substitute
Thus, The weight of a 1 kg substance in
For kgf,
Substitute
Thus, The weight of a 1 kg substance in kgf is
For
Substitute
Thus, The weight of a 1 kg substance in
For lbf,
Substitute
Thus, The weight of a 1 kg substance in lbf is
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Chapter 1 Solutions
Fundamentals of Thermal-Fluid Sciences
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