kept horizontally One end of the plank is now lifted so that

Last updated: 6/8/2023

kept horizontally One end of the plank is now lifted so that it gets tilted making an angle 0 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 the figure is schematic and not drawn to scale Plank a sin 8 r R b tan 8 r R c sin r 2R 2r R 0