Question

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

• A. Rider is taken back
• B. Rider is suddenly afraid of falling
• C. Inertia of rest keeps the upper part of body at rest while lower part of the body moves forward with the horse.
• D. Inertia of motion keeps the upper part of body at rest while lower part of the body moves forward with the horse.

Answer 1

The correct option is C Inertia of rest keeps the upper part of body at rest while lower part of the body moves forward with the horse.

A rider on horse falls back when horse starts running, all of a sudden because the rider is in state of rest initially and later inertia of rest keeps the upper part of body at rest while lower part of the body moves forward with horse.