Three small spherical masses are located in a plane at the positions shown below

Question

Three small spherical masses are located in a plane at the positions shown below. dynamically generated plot The masses are Q=0.600 kg, R=0.500 kg, and S=0.300 kg. Calculate the moment of inertia (of the 3 masses) with respect to an axis perpendicular to the xy plane and passing through x=0 and y=-3. [Since the masses are of small size, you can neglect the contribution due to moments of inertia about their centers of mass.]

Three small spherical masses are located in a plane at the positions shown below. dynamically generated plot The masses are Q=0.600 kg, R=0.500 kg, and S=0.300 kg. Calculate the moment of inertia (of the 3 masses) with respect to an axis perpendicular to the xy plane and passing through x=0 and y=-3. [Since the masses are of small size, you can neglect the contribution due to moments of inertia about their centers of mass.]

Explanation / Answer

Moment of Inertia = Summation(mr^2), where r is perpendicular distance .6*20 + .5*41 + .3*17 = 37.6 kg-m^2

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