We want to determine the density p, of a liquid L2. To do this, let's pour water into a bath which will be placed in contact with a vertical wall of width be 100cm and height h 2m. The free surface of the liquid L2 is located at a distance a 700mm from the free surface of the water Air

International Edition---engineering Mechanics: Statics, 4th Edition
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Chapter8: Centroids And Distributed Loads
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Exercise 2
We want to determine the density p, of a liquid L2. To do this, let's pour water
into a bath which will be placed in contact with a vertical wall of width b= 100cm and height h
= 2m. The free surface of the liquid L2 is located at a distance a=700mm from the free
R
Liquid The
Z
Water
X
1/a-Determine the resultant of the pressure forces R, exerted by the water on the vertical wall.
b-Determine the position Ze of the center of thrust of this resultant.
2/ a- Determine the resultant of the pressure forces R. exerted by the liquid L, on the vertical
wall as a function of p2.
b-Determine the Zez position of the center of thrust of this resultant
3/ Determine the force F exerted by the air on the non-wet part of the vertical wall.
4/ By balancing the vertical wall, deduce the density p. of the liquid L2.
Transcribed Image Text:Exercise 2 We want to determine the density p, of a liquid L2. To do this, let's pour water into a bath which will be placed in contact with a vertical wall of width b= 100cm and height h = 2m. The free surface of the liquid L2 is located at a distance a=700mm from the free R Liquid The Z Water X 1/a-Determine the resultant of the pressure forces R, exerted by the water on the vertical wall. b-Determine the position Ze of the center of thrust of this resultant. 2/ a- Determine the resultant of the pressure forces R. exerted by the liquid L, on the vertical wall as a function of p2. b-Determine the Zez position of the center of thrust of this resultant 3/ Determine the force F exerted by the air on the non-wet part of the vertical wall. 4/ By balancing the vertical wall, deduce the density p. of the liquid L2.
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