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Physics 14 Online
OpenStudy (anonymous):

Help!!! I need help with this homework about newton laws. :) THANK YOU!!!N " In the United States, car accidents are the leading cause of death for teenagers. Wearing seat belts helps save lives. Describe how Newton’s three laws of motion are used in testing the safety of our automobiles. You are only required to give a written description; however, if you would like, you may draw and label a picture in addition to the paragraph explanation."

OpenStudy (anonymous):

1st law: when a running car suudenly stoped by a head on collision ,it will come to rest but driver due to inertia of motion will fall forward and hit the dashboard if not wearing seat belt. 2nd law: how much force with which driver will hitthe dashboard that depends on in how much time the velocity of car goes to zero i.e. time rate of change of momentum proportional to force... 3rd law: how much the driver will get hurt it depends upon how much force dashboard applies on the driver... i.e. action and reaction are equal nd opposite....

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