Any object swinging as a pendulum that is not a point mass on a string is a:
APhysical penstock
BPhysical pendulum
CPhysical pedestal
DPhysical peninsula
Answer & Solution
Correct answer: B. Physical pendulum
1. Its mass is spread out.
2. Gravity acts at its centre of mass.
3. That is a physical pendulum.
_Source: OpenStax University Physics Volume 1, Chapter 15, Oscillations._
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