Question

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1. calculate how many newtons are equal to 10 lb?

Explanation:

Step1: Identify the conversion factor

The conversion factor from pounds - force (\(lb\)) to newtons (\(N\)) is \(1\ lb = 4.448\ N\).

Step2: Set up the conversion equation

Let \(x\) be the number of newtons. We have the proportion \(x=\text{number of pounds}\times\text{conversion factor}\). Given the number of pounds \(n = 10\), and the conversion factor \(k=4.448\ N/lb\). So \(x = 10\times4.448\).

Step3: Calculate the value

\(x=10\times4.448 = 44.48\ N\)

Answer:

\(44.48\ N\)