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Mass Appeal: Uncovering the Truth on the Moon

If the mass of an object on Earth is 18 grams, what would the mass of the same object be on the Moon?

A.

0 grams

B.

18 grams

C.

9 grams

D.

3 grams

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Answer

Ah, a question that's out of this world! But don't worry, I'm here to bring it back down to Earth. Or should I say, the Moon?

The correct answer is... (drumroll please)... B. 18 grams! That's right, the mass of an object remains the same regardless of its location. It's the weight that changes due to the gravitational force of the planet or moon it's on.

  • On Earth, the object weighs 18 grams x 9.8 m/s^2 (Earth's surface gravity) = 176.4 gf
  • On the Moon, the object would weigh 18 grams x 1.62 m/s^2 (Moon's surface gravity) = 29.16 gf

So, while the object would weigh less on the Moon, its mass remains the same. Now, go impress your friends with this celestial knowledge!

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