Asosiy tarkibga o'tish

8.4-bo'lim: Gidrostatik bosim va kuch

Har bir rasmda ko'rsatilganidek, suvga botgan quyidagi plitalardagi gidrostatik kuchni toping. Har bir holatda ko'k "quti" ning yuqori qismini plastinka suvga botgan suv yuzasi deb hisoblang. Shuni ham yodda tutingki, ko'pgina rasmlardagi o'lchamlar rasmdagi plastinkani yaxshiroq joylashtirish uchun o'lchovga mos kelmaydi. Har bir rasmda berilgan uzunliklar metrda.

  1. A sketch of the plate and the water. The water is the shaded region and its surface is the horizontal line across the top. The plate is a rectangle that is 8 units wide and 6 units tall and it hangs vertically with its top edge 1 unit above the surface of the water.
    Yechim
  2. A sketch of the plate and the water, with the surface of the water the horizontal line across the top. The plate is a trapezoid that hangs with its longer parallel side at the bottom. The top side is 4 units long and lies right at the surface of the water, the bottom side is 7 units long and the vertical distance between the two is 3 units.
    Yechim
  3. 3. Bu holda plastinka tomonlar uzunligi 2 ga teng bo'lgan kvadratdan hosil bo'lgan olmosning yuqori yarmidir.
    A sketch of the plate and the water, with the surface of the water the horizontal line across the top. The plate is a triangle with its point at the top and its base running horizontally along the bottom. The two upper sides are each 2 units long and the point of the triangle is 4 units below the surface of the water.
    Yechim