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B How do you calculate how much force is applied to a thrown bal

  1. Dec 21, 2017 #1
    I’m trying to calculate how hard someone throws a ball. I know that F=ma, but the only force acting on a ball is the force of gravity and so the equation simply cancels out.
  2. jcsd
  3. Dec 21, 2017 #2


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    Gold Member

    You might want to rethink that.
  4. Dec 21, 2017 #3


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    Staff: Mentor

    Um....then what is this?:
  5. Dec 22, 2017 #4


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    At the start of the throw the ball held in your hand is static . At the end of the throw when the ball leaves your hand it is moving . What has happened to the ball during this time ?
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