Standard Science Primary 6 Interactions

Ravi dropped a heavy iron ball and a light plastic ball from the same height at the same time. Ignoring air resistance, which ball will hit the ground first?

A Both will hit the ground at the same time
B The iron ball
C The ball with a smoother surface
D The plastic ball
Show Worked Solution

Worked Solution

Step 1: Gravitational force acts on all objects.Step 2: Without air resistance, the acceleration due to gravity is the same for all masses.Step 3: Therefore, they will fall at the same rate.

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

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