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Moments and Center of mass:

The center of mass is $\"\"$ is $\"\"$ and $\"\"$ .

Let the point masses $\"\"$ be located at $\"\"$ .

1. The amount of total mass is $\"\"$ .

2. The moment about $\"\"$ -axis is $\"\"$ .

3.The moment about $\"\"$ -axis is $\"\"$ .

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The center of mass is $\"\"$ is $\"\"$ and $\"\"$ .