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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)

7/24/2019 EM-Lab Report 07

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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.