A stone attached to one end of a string is revolved around a stick so that the string…
Physics · JEE Advanced · NTA Exams — Rotational Motion
A stone attached to one end of a string is revolved around a stick so that the string winds upon the stick and gets shortened. What is conserved.
- angular momentum
- linear momentum
- Kinetic energy
- none of these
Answer
(A) angular momentum
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