Chemistry, 21.08.2019 22:40 crysderria

How does a seal belt prevent injuries by applying a for

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A seat* belt can help prevent major injuries from car crashes because it can buckle people down safely. If a car crashed into the car and you were in the front seat without a seat belt, you could catapult straight out the window. With a seatbelt on, you will be restrained and fastened to the chair and have some not major injuries.

Answer from: djub

A seat belt helps to prevent injury in the event of a car crash by reducing the velocity of a body as it experiences a sudden decrease in speed. Due to the body's inertia, which is its 'resistance to a change in speed or direction of travel', a passenger in a vehicle will want to continue travelling forwards once the car has reached a sudden stop. If the vehicle is travelling at 50mph and crashes into a brick wall, instantly reducing its velocity to zero, the passenger will continue moving forwards at 50mph unless there is something in front of them to create a 'stopping force'. This is because the velocities of the car and passenger are independent.. Hope this helps you!(: Good luck.

Answer from: Quest

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

Answer from: Quest

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

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