1 A football of radius R is kept on a hole of radius r r R

Last updated: 6/9/2023

1 A football of radius R is kept on a hole of radius r r R made on a plank kept horizontally One end of the plank is now lifted so that it gets tilted making an angle 8 from the horizontal as shown in the figure below The maximum value of 0 so that the football does not start rolling down the plank satisfies figure is schematic and not drawn to scale Plank R A sine LIR B tane K 2r C sine 2R D cose 2R