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What is applied load, applied force, and added load? friction

  1. Mar 18, 2015 #1
    So we are doing a lab in class where you have to calculate coefficient of friction.

    This picture shows exactly what we are doing except the wooden block is flat

    There weight on the string.

    http://facstaff.gpc.edu/~apepper/website pics/friction2.jpg

    So

    what does added load (there is no units beside it)
    What does applied force (assuming in Newtons, they are static friction)
    What does applied load mean? (The units are in grams)

    Here is some other info

    Weight of wooden block is 186 G

    upload_2015-3-18_22-1-35.png

    upload_2015-3-18_22-1-44.png

    upload_2015-3-18_22-1-54.png
     
  2. jcsd
  3. Mar 21, 2015 #2

    Simon Bridge

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    Use the context of the instructions and your past experience of doing these labs to figure it out.
    What would be best described as the load" on the cart? Do you ever add to it?
    Do you apply a force to the cart at some stage?

    Do you understand what the experiment is supposed to find and how the method lets you find it?
    i.e. don't just follow instructions - understand them.
     
  4. Mar 26, 2015 #3
    My friend explained it. Thanks for helping.
     
  5. Mar 26, 2015 #4

    Simon Bridge

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    Great... what was the explanation?
    This is so other people may be helped by this thread.
     
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