Asked by Janise
An occupant of a car has a chance of surviving a crash if the deceleration during the crash is not more than 30 g. Calculate the force on a 70 kg person deceleerating at the same rate.
Answers
Answered by
drwls
Force equals mass times acceleration. If you multiply them together, you get the force in Newtons.
acceleration = 30g = 30 * 9.8 m/s^2 = 294 m/s^2
294 x 70 = ___ N
One Newton is about a quarter pound of force.
Here's another way to look at it: The decelerating force will be 30 times the person's weight.
acceleration = 30g = 30 * 9.8 m/s^2 = 294 m/s^2
294 x 70 = ___ N
One Newton is about a quarter pound of force.
Here's another way to look at it: The decelerating force will be 30 times the person's weight.
Answered by
Tiffany
20,580
Answered by
bbbbb
drwls is exactly right
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Celia
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