Six washers on a light rod illustrate the moment of inertia of a system of:
APlatforms
BPistons
CParticles
DPendulums
Answer & Solution
Correct answer: C. Particles
1. Each washer is treated as a point mass.
2. Their contributions are summed about the axis.
3. So it is a system of particles.
_Source: OpenStax University Physics Volume 1, Chapter 10, Fixed-Axis Rotation._
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