Calculus &
Linear Algebra II

Chapter 29

29 Mass, centre of mass and moments

By the end of this section, you should be able to answer the following questions:

  • How can we use a double integral to find the mass of a two dimensional object if the density function is known?
  • How do we use double integrals to locate the centre of mass of such an object?
  • How do we calculate the moments of such an object about the coordinate axes?

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