9.33 Four small 0.200kg spheres, each of which you can regard as a point mass, a

Question

9.33 Four small 0.200kg spheres, each of which you can regard as a point mass, are arranged in a square 0.400m on a side and connected by light rods. (See the figure (Figure 1) .) FIGURE 1 GOTO LINK: http://session.masteringphysics.com/problemAsset/1266248/3/yg.9.28.jpg Part A Find the moment of inertia of the system about an axis through the center of the square, perpendicular to its plane at point O. I = __________________kg *m^{2} Part B Find the moment of inertia of the system about an axis along the line AB. I = __________________kg * m^{2} Part C Find the moment of inertia of the system about an axis along the line CD. I = __________________kg * m^{2}

Explanation / Answer

part a: = 4X mR^2 m= 0.2 R= 0.2828 I= 0.06398 part b : = 4X mR^2 m= 0.2 R= 0.2 i= 0.032 part c: I= 2X mR^2 m=0.2 R= 0.2828 i= 0.03199

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