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Can you answer this.

  1. Sep 8, 2007 #1
    A linebacker has a mass of 110 kg, and he takes off when the ball is snapped and tackles the Q.B of a constant net force of 3.7 * 10^4 N. What is the net force that acts on the 92 kg Q.B.

    I know the answer, I just want to see if you can do it.
     
  2. jcsd
  3. Sep 8, 2007 #2

    Doc Al

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    Why don't you show us how you solved it?
     
  4. Sep 8, 2007 #3
    Ok. a= 3.7 * 10^4 N/ 110 kg= 336.3 m/s^2

    F=92 kg * 336.3 m/s^2=30945.4 N
     
  5. Sep 8, 2007 #4

    Doc Al

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    Why are you calculating the acceleration of the linebacker? (I assume that's what you're doing.) Are you assuming that the 3.7 * 10^4 N force is the only force acting on the linebacker?

    Your problem statement in your first post seems truncated--so it's unclear what the full problem is.
     
  6. Sep 8, 2007 #5
    although it isn't possible for a person to generate that much force, it's just a calculation.
     
  7. Sep 8, 2007 #6
    I changed up an original problem I had.
     
  8. Sep 8, 2007 #7

    Doc Al

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    Why don't you restate the problem as fully as possible. (If you want the net force on the QB, then the acceleration of the linebacker seems irrelevant.)
     
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