Four 50-G Point Masses Are at the Corners of a Square

question 52

Multiple Choice

Four 50-g point masses are at the corners of a square with 20-cm sides.What is the moment of inertia of this system about an axis perpendicular to the plane of the square and passing through its center?

• A)1.0 \(\times\) 10^-3 kg · m²
• B)4.0 \(\times\) 10^-3 kg · m²
• C)2.0 \(\times\) 10^-3 kg · m²
• D)8.0 \(\times\) 10^-3 kg · m²
• E)2.8 \(\times\) 10^-3 kg · m²

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