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Displacement of COM:Application

A boy is sitt...

Question

A boy is sitting on the back seat of a car. While the driver suddenly starts the car, the boy experiences a backward force.

A

Always

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B

Some times

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C

Often

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D

Never

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Solution

The correct option is D Always
When a car suddenly starts, the lower part of the boy's body will be in motior while his upper part will be at rest. Hence, he will always experience a backward force.

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