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Math Help - Help with lamina/ centre of mass ?

  1. #1
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    Smile Help with lamina/ centre of mass ?

    The Question is :

    A uniform lamina with mass/unit area 0.12grams/cm2 consists of a square of
    side 80cm, with one corner at the origin O(0,0) and other corners at B(80,0),
    C(80,80) and D(0,80). A triangle of material has been removed from one corner by cutting a straight line from E(50,0) to F(80,40), and a particle of mass 0.5kg is attached at C. Find the coordinates of the centre of mass.

    thanks

    Kind Regards
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  2. #2
    Super Member craig's Avatar
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    Have you had any experience with finding the centre of mass. If you post what you have managed to do so far we will be able to help you progress from this.
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  3. #3
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    no you see thats the thing. I don't understand how to go about doing this question. I searched the internet for some notes on this area but couldn't find any.

    I would appreichate any help
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