An astronaut carries a 12 kg tool to the Moon. What is its mass there?
A2 kg
B6 kg
C12 kg
D72 kg
Answer & Solution
Correct answer: C. 12 kg
1. Mass is the amount of matter and does not depend on gravity.
2. The tool has the same amount of matter on the Moon.
3. So its mass stays 12 kg. Only its weight changes, to about one-sixth.
_Source: Wikipedia, Mass versus weight, Lead section_
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