Concept explainers
What is the weight of a 1-kg substance in N, kN, kg·m/s2, kgf, lbm·ft/s2, and lbf?
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.
Answer to Problem 88RP
The weight of a 1 kg substance in N is
The weight of a 1 kg substance in kN is
The weight of a 1 kg substance in
The weight of a 1 kg substance in kgf is
The weight of a 1 kg substance in
The weight of a 1 kg substance in lbf is
Explanation of Solution
Write the expression of Newton’s second law for the weight of a substance.
Here, the mass is
Conclusion:
For N,
Substitute
For kN,
Substitute
For
Substitute
For kgf,
Substitute
For
Substitute
For lbf,
Substitute
Thus, the weight of a 1 kg substance in N is
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