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

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69th BPSC Prelims Exam Official Paper (Held On: 30 Sept, 2023)
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  1. have different accelerations
  2. undergo a change in their inertia
  3. have same velocity at any instant
  4. experience forces of same magnitude

Answer (Detailed Solution Below)

Option 3 : have same velocity at any instant
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Detailed Solution

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The correct answer is have same velocity at any instant.

Key Points

  • When an object is under free fall, its acceleration depends only on the acceleration due to gravity and mass has no role to play.
  • Due to this; irrespective of their masses, the object under free fall with have the same velocity at any instant.
    • h=1/2gmt2(u=0)
    • t2=2h/gm
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