To solve the formula \( F = \frac{GMm}{r^2} \) for \( m \), we can start by rearranging the equation. Here are the steps:
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Multiply both sides by \( r^2 \) to eliminate the fraction: \[ F r^2 = GMm \]
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Next, divide both sides by \( G \) to isolate \( m \): \[ \frac{Fr^2}{G} = Mm \]
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Finally, divide both sides by \( M \) to solve for \( m \): \[ m = \frac{Fr^2}{GM} \]
Thus, the formula for \( m \) is: \[ m = \frac{Fr^2}{GM} \]