An athlete can take a longer jump if he comes running from a distance. Identify the type of inertia.
A
Inertia of direction
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B
Inertia of rest
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C
Inertia of position
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D
Inertia of motion
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Solution
The correct option is D
Inertia of motion
Just before the jump, the athlete is in motion. At the time of the jump, the inertia of motion of the body keeps him pushing further. As a result, the athlete can take a long jump. Hence, the inertia is motional.