( ) : : 2024 : : : : k : : : : () : : ( ) : : ( ) : :
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  1. 12-20-2013, 09:59 PM Top | #1
    Dec 2013
    18110
    0.03
    95
    Thanked: 102

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  3. 12-27-2013, 10:00 PM Top | #2
    Nov 2013
    17870
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    :


    a=0.2m\s
    f=m a
    f -fr = m a
    f -M N = m a
    f=2*0.2+0.1*20=2.4N
    w=f . x cos 0
    w= 2.4*10=24j


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