3 98 An insect crawls up a hemispherical surface very slowly

Last updated: 6/24/2023

3 98 An insect crawls up a hemispherical surface very slowly see the figure 3 114 The coefficient of friction between the insect and the surface is 1 3 If the line joining the centre of the hemispherical surface to the insect makes an angle a with the vertical the maximum possible value of a is given by A cot a 3 C sec a 3 Figure 3 114 B tan a 3 D cosec a 3