CENTER OF GRAVITY,CENTER OF MASS. AND CENTROID

IMME

IMME

@imme-jYUMt5 • Oct 25, 2024
Friends help me understand how the center of mass and centroid are different from each other?
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  • ISHAN TOPRE

    ISHAN TOPRE

    @ishan-nohePN • Oct 25, 2012

    Both are similar in nature. But while calculating/ designing of shafts, we consider centroid. And while considering buoyancy and its effect, we take into account centre of mass (C.G).

    Basically, Centre of mass is in 3D. Centroid(of a plane lamina) in 2D.
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  • IMME

    IMME

    @imme-jYUMt5 • Oct 25, 2012

    "while considering buoyancy and its effect, we take into account centre of mass (C.G). "
    can u explain it yr.
    shaft is also a 3-d figure. isn't it. may b u r right but i m nt gatin ur explanation.
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  • ISHAN TOPRE

    ISHAN TOPRE

    @ishan-nohePN • Oct 25, 2012

    The shaft is 3D but we design it lamina by lamina (in concept). It depends on applications like for considering the force and its effect we consider the involvement of mass hence use centre of mass. But while finding the metacentric height or diameter of shaft we concider centroid.
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  • naveen94

    naveen94

    @naveen94-i2rZMz • Nov 4, 2012

    Ques-what is centroid and moment of inertia,what are its applications in engineering field.
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  • iashishsarode

    iashishsarode

    @iashishsarode-dzJrSM • Mar 24, 2015

    Centroid is the artithmetic mean position of the object's shape.
    Moment of inertia is the force required to rotate an object. in simple words it is the resistance offered by mass on account of its distribution about the rotational axis for the rotation.
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