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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A massless spool of inner radius r outer radius R is placed against a vertical wall and a titled split floor as shown. A light inextensible thread is tightly wound around the spool through which a mass m is hainging. There exists no friction at point A, while the coefficient of friction between the spool and point B is μ. The angle between the two surface is θ

A massless spool of inner radius r outer radius R is placed against a vertical wall and a titled split floor as shown. A light inextensible thread is tightly wound around the spool through which a mass m is hainging. There exists no friction at point A, while the coefficient of friction between the spool and point B is μ. The angle between the two surface is θ

A rigid body is in pure rotation that is undergoing fixed axis rotation. Then which of the following statements are true ?