Consider a circular disc of radius 20 cm with centre located at the origin. A circular hole of a radius 5 cm is cut from this disc in such a way that

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🧑‍🏫 Author: Aditya Bhatt Sir   |   🕒 Last Updated: July 13, 2025

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📘Question

Consider a circular disc of radius 20 cm with centre located at the origin. A circular hole of a radius 5 cm is cut from this disc in such a way that
the edge of the hole touches the edge of the disc.The distance of centre of mass of residual or remaining disc from the origin will be-
(1) 2.0 cm 

(2) 0.5 cm

(3) 1.5 cm 

(4) 1.0 cm                                            (JEE-2025)   

✅ Answer

Consider a circular disc of radius 20 cm with centre located at the origin. A circular hole of a radius 5 cm is cut from this disc in such a way that the edge of the hole touches the edge of the disc.The distance of centre of mass of residual or remaining disc from the origin will be- (1) 2.0 cm  (2) 0.5 cm (3) 1.5 cm  (4) 1.0 cm 

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