everyday science MCQ #5224

An astronaut inside a spacecraft is in a state of weightlessness. This implies that:

everyday science MCQ #5224

  1. Question 1

    Q1. An astronaut inside a spacecraft is in a state of weightlessness. This implies that:

    • A) The mass of the astronaut is reduced to zero
    • B) Gravity inside the spacecraft ceases to act
    • C) The astronaut is outside the influence of the earth's gravitational force
    • D) The astronaut and the spacecraft are both in a free-falling state

    Answer: The astronaut and the spacecraft are both in a free-falling state

    Explanation: Weightlessness in a spacecraft occurs because both the astronaut and spacecraft are in free fall together toward Earth, with gravity providing the centripetal force for orbital motion.