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A simple pendulum is a small bob tied to a string that is:

AWeighty
BElastic
CMetallic
DMassless
Answer & Solution
Correct answer: D. Massless
1. The idealised pendulum ignores the string's own mass. 2. The string is also taken to be inextensible. 3. So the string is massless. _Source: syllabus Physics Part II, Chapter 14, Oscillations._
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