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Center of Mass of a Planar Lamina

Center of Mass of a Planar Lamina. Consider a thin, flat plate of material of constant density called a planar lamina (see Figure 7.60). Density is a measure of mass per unit of volume, such as grams per cubic centimeter. For planar laminas, however, density is considered to

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Center of Mass of a Planar Lamina

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  1. Center of Mass of a Planar Lamina Consider a thin, flat plate of material of constant density called a planar lamina (see Figure 7.60). Density is a measure of mass per unit of volume, such as grams per cubic centimeter. For planar laminas, however, density is considered to be a measure of mass per unit of area. Density is denoted by ρ, the lowercase Greek letter rho. Figure 7.60

  2. Center of Mass of a Planar Lamina Consider an irregularly shaped planar lamina of uniform density ρ, bounded by the graphs of y = f(x), y = g(x), and a ≤x ≤b, as shown in Figure 7.61. The mass of this region is given by where A is the area of the region. Figure 7.61

  3. Center of Mass of a Planar Lamina

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