69th BPSC Prelims (2023), question 21

🔬 Science & Technology

21. Two objects of different masses falling freely near the surface of the Moon would

    1. have different accelerations
    2. undergo a change in their inertia
    3. have same velocity at any instant
    4. experience forces of same magnitude
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    Answer: C — have same velocity at any instant

    In free fall under uniform gravity, speed depends only on g and height, not mass — so both have the same velocity at any instant.