Standard Science Primary 6 Interactions

Ravi dropped a feather and a hammer at the same time in a room where all the air had been removed (a vacuum). Which of the following is true?

A Neither will fall because there is no air.
B The feather hits the ground first because it is lighter.
C The hammer hits the ground first because it is heavier.
D Both hit the ground at the same time.
Show Worked Solution

Worked Solution

Step 1: Gravity pulls all objects down. Step 2: On Earth, air resistance slows down light objects like feathers. Step 3: In a vacuum, there is no air resistance, so all objects fall at the same acceleration regardless of mass.

Correct answer: Both hit the ground at the same time.

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