EM-Lab Report 07

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    HITEC UNIVERSITY TAXILA CANTT

    Engineering Mechanics (Lab)

    Experiment # 07

    Submitted To:

    Madam. Munazza Haq

    By

    Ahmed Hassan

    14-ME-01

    Section (A)

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    Ahmed Hassan EXPERIMENT # 07 14-ME-019

    !b"ecti#e:Determine the center of ra!it" for dierent $hape$.

    A$$aratus:

    %enter of &ra!it" apparatu$.

    %iagram:

    E&$'anation:1 enter o* +ra#ity:

    'he center of ra!it" i$ the a!erae ocation of the point here thehoe eiht of the *od" act$.

    +t i$ the $um of a the force$ and torque appied at the $peci,c pointof the $hape due to the ra!itationa force.

    'hi$ propert" can *e chaned *" chanin the ocation of the *od".

    , enter o* Mass:

    &eometrica center of *od" i$ non a$ center of ma$$.

    'hi$ propert" can ne!er *e chaned unti the o*ect i$ deformed.

    -rocedure:1 + dra a the $hape$ on *an pae.,'hen + haned each $hape$ at three dierent point$ and mared the

    ine of action of eiht for each point.

    .'he point at hich a the ine inter$ect$ i$ non a$ the center ofra!it" of that o*ect.

    / + repeated each ca$e for the fooin $hape$.+. ' - Shaped

    %irce / Shaped Semi-%irce 'riane

    'rapezium.. 'hen + ,nd the center of ra!it" for each $hape.