Discussion
If a body weighs 12N on the surface of the earth, how much will it weigh on the surface of the moon where acceleration due to gravity is only one-sixth of that on earth's surface?
Answer: B
It will weigh 2 N.
Weight is \(W = mg\), and the mass is unchanged, so the weight falls in the same proportion as \(g\): \[W_{moon} = \frac{12}{6} = 2\ \mathrm{N}\] The mass remains \(12/9.8 \approx 1.22\) kg on both bodies.
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