Center of Gravity & Center of Mass

Inside this lesson

Define centroid, centre of mass, and centre of gravity and state what each depends on
State the two conditions under which all three coincide
Compute the centre of mass of a composite body from its parts
Explain when the centre of gravity differs from the centre of mass (non-uniform field)

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Interactive simulators for Mohr's circle, shear-moment diagrams, the Moody chart, and more.

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Educational content covering topics typical of a first- and second-year mechanical engineering curriculum. Not a substitute for accredited coursework, and not suitable for real structural design without review by a licensed professional engineer.