Multiple choice

When a moving train slows down quickly, passengers tend to fall

  1. forward

  2. backward

  3. upward

  4. None of these

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

Due to the law of inertia, the lower part of the passenger's body slows down with the train, while the upper part continues to move forward at the original speed. This causes the passenger to lean or fall forward.