What is practical meaning of centre of mass?

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Raj Kumar

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The center of mass is the point where all of the mass of the object is concentrated. When an object is supported at its center of mass there is no net torque acting on the body and it will remain in static equilibrium.
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Any force, which is a function of mass, will act on a 3d object in such a way as though it is a point object with whole mass concentrated at its center of mass.
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In physics, the center of mass of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero.
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The point about which all mass is uniformly distributed. Its doesn't mean that mass should lie on the body itself. It may lie outside the body also where material of body doesn't even exists e.g. ring.
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In physics, the center of mass of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero. The distribution of mass is balanced around the center of mass and the average of the weighted position coordinates of the distributed mass...
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In physics, the center of mass of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero. The distribution of mass is balanced around the center of mass and the average of the weighted position coordinates of the distributed mass defines its coordinates. Calculations in mechanics are often simplified when formulated with respect to the center of mass. read less
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The center of mass of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero. The distribution of mass is balanced around the center of mass and the average of the weighted position coordinates of the distributed mass defines its...
read more
The center of mass of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero. The distribution of mass is balanced around the center of mass and the average of the weighted position coordinates of the distributed mass defines its coordinates. Calculations in mechanics are often simplified when formulated with respect to the center of mass. read less
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Point at which the entire mass of the body is concentrated.
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The point in a body or system of bodies at which the whole mass may be considered as concentrated.
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The center of mass of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero. The center of mass is a useful reference point for calculations in mechanics that involve masses distributed in space.
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