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 RvTDLR 7 years 1 Answer 1084 views 0

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Answer ( 1 )

  1. RvTDLR
    0
    October 4, 2017 at 12:25 am
    Reply

    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

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