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The owner’s manual of a car suggests that your seat belt should be adjusted “to fit snugly” and that the front seat head rest should not be adjusted so that it fits comfortably at the back of your neck but so that “the top of the head rest is level with the top of yours ears.”How do Newton’s laws support these good recommendations?

The owner’s manual of a car suggests that your seat belt should be adjusted “to fit snugly”       and that the front seat head rest should not be adjusted so that it fits comfortably at the      back of your neck but so that “the top of the head rest is level with the top of yours ears.”How do Newton’s laws support these good recommendations?
 

Grade:11

1 Answers

Kevin Nash
askIITians Faculty 332 Points
8 years ago
The principle of impulse comes from the Newton’s law of motion. Close fitting of the seat belt protect the passenger in the car from an accident. As the driver applies the break, due to the top of the head rest of the seat, the time for which collision between the head of the passenger and seat occur will be more. Thus the force acting on the head will be less. As a result of it, less energy will transfer to the head. That is why the owner’s manual of a car suggests that your seat belt should be adjusted to fit snugly.

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