Why does my face hurt when ball hits it?
Question
Is it because of kinetic energy, momentum or pressure?
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General Physics
5 years
1 Answer
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Answer ( 1 )
Impulsive force. Imagine the ball is traveling to you with an acceleration.
F=ma
=m[(v-u)/t]
=(mv-mu)/t
The force that hits your face is higher if the time of impact of the ball and your face is shorter. You can get this from the equation