1. Task In the side wall of the closed tank with water (p=1000 kg/m³), there is a circular opening that is closed by a conical closure of negligible weight. The shutter is opened by force F, via a lever of negligible mass and rotating around the axis O. The vessel wall is inclined to the horizontal at an angle of 45°. a) Determine the minimum value of the force F required to open the shutter, b) pressure force on the wetted surface perpendicular to the axis of symmetry of the closure, if the following data are given: vacuum meter height h-1m, H=4 m, a=1 m, b=2 m, R=h=100 mm. 2. Task A prismatic body with a square section of length L, made of two types of wood, shown in the picture, floats freely on water with a density of 1000 kg/m³. Wood densities are: p₁-850 kg/m³, and p₂-450 kg/m³. Page a=1 m and L=10 cm. Need to determine the type of swimming stability? Sketch the positions of characteristic points that determine stability when swimming! A 15 K
1. Task In the side wall of the closed tank with water (p=1000 kg/m³), there is a circular opening that is closed by a conical closure of negligible weight. The shutter is opened by force F, via a lever of negligible mass and rotating around the axis O. The vessel wall is inclined to the horizontal at an angle of 45°. a) Determine the minimum value of the force F required to open the shutter, b) pressure force on the wetted surface perpendicular to the axis of symmetry of the closure, if the following data are given: vacuum meter height h-1m, H=4 m, a=1 m, b=2 m, R=h=100 mm. 2. Task A prismatic body with a square section of length L, made of two types of wood, shown in the picture, floats freely on water with a density of 1000 kg/m³. Wood densities are: p₁-850 kg/m³, and p₂-450 kg/m³. Page a=1 m and L=10 cm. Need to determine the type of swimming stability? Sketch the positions of characteristic points that determine stability when swimming! A 15 K
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
Transcribed Image Text:1. Task
In the side wall of the closed tank with water
(p=1000 kg/m³), there is a circular opening that
is closed by a conical closure of negligible
weight. The shutter is opened by force F, via
a lever of negligible mass and rotating around
the axis O. The vessel wall is inclined to
the horizontal at an angle of 45°.
a) Determine the minimum value of the
force F required to open the shutter,
b) pressure force on the wetted surface perpendicular to the
axis of symmetry of the closure,
if the following data are given: vacuum meter
height h-1m, H=4 m, a=1 m, b=2 m, R=h=100
mm.
2. Task
A prismatic body with a square section of length L,
made of two types of wood, shown in the picture, floats
freely on water with a density of 1000 kg/m³. Wood
densities are: p₁-850 kg/m³, and p₂-450 kg/m³.
Page a=1 m and L=10 cm. Need to determine the type of
swimming stability? Sketch the positions of characteristic
points that determine stability when swimming!
A
15
K
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