Engineering Board Exam Reviewer · Physics · medium

Two objects of different masses are dropped from the same height in a vacuum. Which reaches the ground first?

  1. The heavier object
  2. Both reach the ground at the same time
  3. The lighter object
  4. It depends on their shapes

Answer

B. Both reach the ground at the same time

Solution

In the absence of air resistance, all bodies fall with the same acceleration g (Galileo).

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