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Collision Problem

  1. Oct 12, 2013 #1
    Hi friends,
    I have an issue in solving a Collision Problem.
    Please Help me in solving this.
    Thank you all in advance.

    The problem is as:

    https://fbcdn-sphotos-c-a.akamaihd.net/hphotos-ak-frc3/q71/s720x720/1384332_1432382970322142_101322866_n.jpg


    Attempt:

    https://fbcdn-sphotos-d-a.akamaihd.net/hphotos-ak-ash3/q81/s720x720/994348_1432381503655622_646459501_n.jpg

    So friends according to me the answer should be option (A) but according to question option, (B) is correct. Please try to help me in this.
    I will appreciate the help.
     
  2. jcsd
  3. Oct 13, 2013 #2

    ehild

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    Gold Member

    You didn't count with the weight of the table.

    ehild
     
  4. Oct 15, 2013 #3
    Ok, well that 0.5N.will act in the downward direction on the table. And weight of the table will be 0.2 x 10 = 2N.
    Hence the total force would be 7 N. downward. On leg reaction would be 7/4 = 1.75N.
    Is it correct?
     
  5. Oct 15, 2013 #4

    ehild

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    Gold Member

    2N force acts on the whole table because of the collisions. See your own solution in the first post.

    ehild
     
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