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A person driving a car suddenly applies the brakes on seeing a child on the road ahead. If he is not wearing seat belt, he falls forward and hits his head against the steering wheel. Why?
Answers (1)
Due to inertia of motion, if a person applies breaks suddenly, then that person’s lower part slows down rapidly, but the upper part continues to move in the same direction and with the same speed & thus he/she ends up hitting his/her head against the steering wheel of the car.
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