latihan soal mekanika teknik

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  • 7/25/2019 Latihan Soal Mekanika Teknik

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    Latihan Soal :

    1. Tentukan resultan dari gaya-gaya berikut dengan metode grafis dan analisis.

    (a) (b)

    2. Tentukan komponen gaya arah X dan Y dari sistem gaya berikut :

    (a) (b)

    3. itung gaya reaksi di tumpuan dan gaya tiap link.

    !. T"o "eights are suspended by #ableABCD.

    $ith the geometry sho"n% if one of the

    "eights is 2&&& '% determine the other

    "eight Wand the #able tensions.

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    C D

    2

    . The hoist sho"n is used in a ma#hine shop to position

    heay "orkpie#es in a lathe. *f the #able bet"een

    pulleys Aand B#an support a for#e of 3& '% all other

    #ables #an support a for#e of & '% and bar CE#an

    support a #ompressie for#e of +& ' determine the

    largest "eight Wthat may be lifted.

    +. The #able system sho"n is used to help

    support a "ater pipe that #rosses a #reek. The"ater pipe applies for#es WAand WDto the

    ends of #ables ABand DE% respe#tiely%

    "here it is kno"n that WA, WD & '. *f

    #able /0 is horiontal and #ables ABand DE

    are erti#al% determine the tension in ea#h

    #able and the for#es WAand WD.

    . onstruksi balok sederhana dengan tumpuan sendi dan roll% menerima beban

    terdistribusi ertikal ke ba"ah sebesar Q k'4m. 5ari reaksi di tumpuan Adan B.

    . onstruksi balok sederhana dengan tumpuan sendi dan roll% menerima beban terpusatF1% dan F2serta beban terdistribusi merata Q 1& k'4m ertikal ke ba"ah. 5ari reaksi

    di tumpuan Adan B.

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    6. onstruksi balok kantileer (balok dengan tumpuan 7epit pada satu sisi)% menerima

    beban terpusat F1% F2% dan F3serta beban terdistribusi Q 1& k'4m. 5ari reaksi di

    tumpuan B.

    1&. onstruksi balok kantileer% menerima beban terpusat F1 ! k'. 5ari reaksi di tumpuan

    Adan reaksi pada batang C.

    11. 8etermine the #omponents of rea#tion at the fi9ed support . 'egle#t the thi#kness of the beam.

    12. 8etermine the support rea#tion. The #ollar at is fi9ed to the number and #an slide erti#ally

    along the erti#al shaft.