A rider on a horse back falls when the horse starts running all of a sudden because:

Correct answer: C. Inertia of rest keeps the upper part of body at rest whereas lower part of the body moves forwards with the horse

  • A. Rider is taken back
  • B. Rider is suddenly afraid of falling
  • C. Inertia of rest keeps the upper part of body at rest whereas lower part of the body moves forwards with the horse
  • D. None of the above

Explanation

The following is the solution: When the horse starts running suddenly, the rider's body, like any other object, tends to remain at rest due to inertia. The upper part of the rider's body remains stationary, while the lower part of the body moves forward with the horse's sudden motion. This difference in motion between the upper and lower body can cause the rider to lose balance and fall. It's a result of the principles of Newton's laws of motion, specifically the concept of inertia, that explains this phenomenon.

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