A uniform brick of length 28 m is placed over the edge of a horizontal surface with a maximum overhang of 14 m attained without tipping. Now two identical uniform bricks of length 28 m are stacked over the edge of a horizontal surface.
a. The bricks will tip over
b. The bricks will maintain their balance
c. The bricks will slide off the surface
d. The bricks will sink into the surface