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find the moment of inertia about a diagonal axis that passes through masses b and d.

The four masses shown in the figure are connected by massless, rigid rods.

image

Find the moment of inertia about a diagonal axis that passes through masses B and D.

x-coordinate xcm=5.7 cm; y-coordinate ycm=5.7cm

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I = m*r^2 for point masses. So you need the distance of points A & C from the diagonal which is 7.07cm. So I = (.100kg)*(.0707m)^2 + (.200kg)*(.0707m)^2 = 0.00150 kg-m^2

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