Multiple choice

When a man circles around the earth in a satellite, _____.

  1. his weight remains constant but mass becomes zero

  2. his mass remains constant but weight becomes zero

  3. both his mass and weight remain constant

  4. both his mass and weight become zero
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Mass is an intrinsic property of matter that remains constant everywhere. Weight = mass × gravitational acceleration. In a satellite orbiting Earth, the astronaut and satellite are in free-fall, experiencing apparent weightlessness despite gravity still acting - this is why objects float inside spacecraft.

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