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  • Concept of Gravitation and Floatation
  • What is the mass of an object whose weight on earth is 39...
Multiple choice

What is the mass of an object whose weight on earth is 392 N?

  1. 20 kg

  2. 9.8 kg

  3. 392 kg

  4. 4 kg

  5. 40 kg

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Yes, it is the correct answer. W = mg 392 N = m x 9.8 m = 392/9.8 = 40 kg

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