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Power and Acceration

  1. May 15, 2007 #1
    1. The problem statement, all variables and given/known data
    Power is being provided at a constant rate to an object. Suggest why the accelration of the object is not constant.


    3. The attempt at a solution

    power is defined as the rate of change of work

    P=W/T

    Power is changing with respect to time. This increases the work done by the object. Since work done=fs (f=ma)
    The acceleration is not constant.

    Are my points valid or wrong
     
  2. jcsd
  3. May 15, 2007 #2

    Hootenanny

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    Perhaps it would be better if you reworded your answer.
     
  4. May 15, 2007 #3
    ok so energy is changing with respect to time ?
     
  5. May 15, 2007 #4

    Hootenanny

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    Much better :approve: This of course assumes that the object has not reached its terminal velocity.
     
  6. May 15, 2007 #5
    since energy=work done
    and workdone=fs
    the acceleration of the object is not constant
     
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