A block on table shown in figure is just on the wedge of slipping. Find the coefficient of static friction between the block and table top.

A block on table shown in figure is just on the wedge of slipping. Fin

1.	A block on table shown in figure is just on the wedge of slipping. Find the coefficient of static friction between the block and table top.
Answer» Solution :`(T SIN 30^(@))/(T cos 30^(@))=(mu mg)/(80)` , `TAN 30^(@)=(mu 40)/(80),(1)/(sqrt(3))=(mu)/(2)` `rArr mu = (2)/(sqrt(3))=1.15`