The racket in the diagram has mass M and is free to rotate about a fixed smooth axis A which is paralel to the plane of the racket and perpendicular to its handle. January 7, 2022 Read More »
In a diatomic molecule, one atom is very much heavier than the other and the lighter atom is free to move on a straight line through the centre of the heavier atom. January 7, 2022 Read More »
A uniform circular cylinder of mass M and radius a lies at rest inside a fixed hollow cylinder of radius 3a. January 7, 2022 Read More »
A light plane uniform square lamina of side 2a is mounted in a vertical plane and is free to rotate about an axis through its centre and perpendicular to its plane January 7, 2022 Read More »