Inertia of Rest: for backward falling of horse rider when a horse starts suddenly

Q.  Which phenomenon explains backward falling of horse rider when a horse starts suddenly?
- Published on 10 Jul 15

a. Inertia of Motion
b. Inertia of Distance
c. Inertia of Rest
d. Centifugal force

ANSWER: Inertia of Rest
 
The inability of a body to change by itself its state of rest is known as Inertia of Rest. It happens to inertia of rest of upper part of the body of the rider.

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