Задача 10182.

A small body begins to slide from the top of the wedge whose base l = 2,1 m. The coefficient of friction between the body and the surface of the wedge k = 0,14. At what value of angle alpha slippage time will be minimal? What does it matter?

A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.