Multiple choice

If horse starts suddenly, the rider may fall due to the _________.

  1. moment of inertia

  2. law of conservation of the mass

  3. inertia of rest

  4. third law of motion

  5. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When a horse starts suddenly, the lower part of the rider's body moves with the horse, but the upper part remains at rest due to inertia of rest, causing the rider to fall backward.

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