Calculate The Centroid Or Center Of Mass Of A Region


In these lessons, we will look at how to calculate the centroid or the center of mass of a region.




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Centroid Of A Triangle
More Calculus Lessons

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Formulas To Find The Moments And Center Of Mass Of A Region

The following table gives the formulas for the moments and center of mass of a region. Scroll down the page for examples and solutions on how to use the formulas for different applications.

center of mass of region

Find The Centroid Of A Triangular Region On The Coordinate Plane

How to determine the centroid of a triangular region with uniform density?

Example:
Find the centroid of the triangle with vertices (0,0), (3,0), (0,5).

Find The Centroid Of A Bounded Region Involving Two Quadratic Functions

How to determine the centroid of a region bounded by two quadratic functions with uniform density?

Example:
Find the centroid of the region with uniform density bounded by the graphs of the functions f(x) = x2 + 4 and g(x) = 2x2.




How To Find The Center Of Mass Of A Region Using Calculus?

Centroids / Centers of Mass - Part 1 of 2
This video will give the formula and calculate part 1 of an example.

Example:
Find centroid of region bonded by the two curves, y = x2 and y = 8 - x2

Centroids / Centers of Mass - Part 2 of 2
This video gives part 2 of the problem of finding the centroids of a region.

How To Find The Center Of Mass Of A Thin Plate Using Calculus?

Center of Mass / Centroid, Example 1, Part 1
Find the center of mass of the indicated region.

Center of Mass / Centroid, Example 1, Part 2
We continue with part 2 of finding the center of mass of a thin plate using calculus.



How To Use Integration To Find Moments And Center Of Mass Of A Thin Plate?

Moments and Center of Mass - Part 1

Moments and Center of Mass - Part 2
Calculating the moments and center of mass of a thin plate with integration.

Center Of Mass Of A Thin Plate

Example:
Find the center of mass of a thin plate covering the region bounded above by the parabola y = 4 - x2 and below by the x-axis. Assume the density of the plate at the point (x,y) is δ = 2x2, which is twice the square of the distance from the point to the y-axis.



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