Figure shows two block `A` and `B` pushed against the wall with the force `F` . The wall is smooth

preview_player
Показать описание
Figure shows two block `A` and `B` pushed against the wall with the force `F` . The wall is smooth but the surfaces in contact of `A` and `B` are rough. Which of the following is true for the system of blocks to be at rest againts wall?
Рекомендации по теме