1- A 60 cm square gate has its top edge 12 m below the water surface. It is on a 45 angle and its bottom edge is hinged as shown in Fig. What force P is needed to just open the gate and its Water location? Hinge 45°

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1- A 60 cm square gate has its top edge 12 m below the water
surface. It is on a 45 angle and its bottom edge is hinged as shown
in Fig. What force P is needed to just open the gate and its
Water
location?
Hinge
2- A tank containing water is shown in Fig.
Calculate the total resultant force acting
on side ABCD of the container and the
location of the center of pressure.
y = 62.4 Ib/ft3
Water
-20 ft
3- Find the total pressure and position of center of pressure
FREE WATER SURFACE
on a triangular plate of base 2 m and height 3 m which is
immersed in water in such a way that the plane of the plate
makes an angle of 60 with the free surface of the water.
The base of the plate is parallel to water surface and at a
depth of 2.5 m from water surface.
4- The 200 kg, 5 m wide rectangular gate shown in Figure
05m
is hinged at B and leans against the floor at A making an
Water
angle of 45° with the horizontal. The gate is to be opened
3m
from its lower edge by applying a normal force at its center.
K45
Determine the minimum force F required to open the water gate.
19
Fluid Mechanics
Basra Engineering Technical College
Hydrostatic Forces
Second Stage
MSc. Zahraa A. Nadeem
5- The tank with 3 m wide into the paper. Neglecting
atmospheric pressure, compute the hydrostatic
(a) horizontal force, (b) vertical force, and
(c) resultant force on quarter-circle panel BC.
6- The rectangular gat has dimensions 6 m by 2 m. Neglect the weight of the gate.
Determine
(a) The magnitude and location of the resultant force
Hinge
3 m
exerted on the gate by the water
Atmospheric
(b) The reaction at point A.
pressure
Stop
30
6 m
Water
3 m
Transcribed Image Text:1- A 60 cm square gate has its top edge 12 m below the water surface. It is on a 45 angle and its bottom edge is hinged as shown in Fig. What force P is needed to just open the gate and its Water location? Hinge 2- A tank containing water is shown in Fig. Calculate the total resultant force acting on side ABCD of the container and the location of the center of pressure. y = 62.4 Ib/ft3 Water -20 ft 3- Find the total pressure and position of center of pressure FREE WATER SURFACE on a triangular plate of base 2 m and height 3 m which is immersed in water in such a way that the plane of the plate makes an angle of 60 with the free surface of the water. The base of the plate is parallel to water surface and at a depth of 2.5 m from water surface. 4- The 200 kg, 5 m wide rectangular gate shown in Figure 05m is hinged at B and leans against the floor at A making an Water angle of 45° with the horizontal. The gate is to be opened 3m from its lower edge by applying a normal force at its center. K45 Determine the minimum force F required to open the water gate. 19 Fluid Mechanics Basra Engineering Technical College Hydrostatic Forces Second Stage MSc. Zahraa A. Nadeem 5- The tank with 3 m wide into the paper. Neglecting atmospheric pressure, compute the hydrostatic (a) horizontal force, (b) vertical force, and (c) resultant force on quarter-circle panel BC. 6- The rectangular gat has dimensions 6 m by 2 m. Neglect the weight of the gate. Determine (a) The magnitude and location of the resultant force Hinge 3 m exerted on the gate by the water Atmospheric (b) The reaction at point A. pressure Stop 30 6 m Water 3 m
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