Multiple choice

What opposing force could slow down an object falling from a given height?

  1. gravity

  2. magnetism

  3. air resistance

  4. friction

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Air resistance is a fluid friction force that acts against the motion of an object moving through the air. Gravity and magnetism are not opposing forces in this context, and friction usually refers to surface contact.