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Some One Please Help Me

  1. Sep 28, 2004 #1
    A man pushes a heavy load across a horizontal floor. What is the work done by gravity on the load?
    a. The work depends on the weight of the load.
    b. The work done by gravity is negative.
    c. The work done by gravity is zero.
    d. The work done by gravity is positive.
     
  2. jcsd
  3. Sep 28, 2004 #2

    Pyrrhus

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    There's no need to post twice.
     
  4. Sep 28, 2004 #3
    the load is moving horizontally where as the gravitational force is vertical so i think its zero???????
     
  5. Sep 28, 2004 #4

    Pyrrhus

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    Why is it 0? I gave you a clue on the other thread you started.
     
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