The figure below shows a container filled with a liquid of density p up to a height of 4R. The container is of unit width into the plane of the screen and AB is half a parabola with a height of kR and a base of R. Determine the magnitude and direction of the horizontal component FH of the hydrostatic force acting on the curved surface AB if k-3, R-0.5 m, p= 1000 kg/m³ and the gravitational acceleration g -9.81 m/s². Note that F is positive if it acts towards the right and is negative if it acts towards the left. Geometric properties of a half-parabola are also given below.

International Edition---engineering Mechanics: Statics, 4th Edition
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Author:Andrew Pytel And Jaan Kiusalaas
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Chapter8: Centroids And Distributed Loads
Section: Chapter Questions
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The figure below shows a container filled with a liquid of density p up to a height of 4R. The container is of unit width into the
plane of the screen and AB is half a parabola with a height of kR and a base of R. Determine the magnitude and direction of the
horizontal component F# of the hydrostatic force acting on the curved surface AB if k= 3, R = 0.5 m, p = 1000 kg/m³ and the
gravitational acceleration g = 9.81 m/s². Note that F is positive if it acts towards the right and is negative if it acts towards the
left. Geometric properties of a half-parabola are also given below.
FH 1. [17.8419375, 18.9455625 kN.
4R
h
m/00
b
Liquid
Р
X
Half-Parabola
BR
9
A
KR
A = bh
|xc=bh³
yy,chb³
=
15
Transcribed Image Text:The figure below shows a container filled with a liquid of density p up to a height of 4R. The container is of unit width into the plane of the screen and AB is half a parabola with a height of kR and a base of R. Determine the magnitude and direction of the horizontal component F# of the hydrostatic force acting on the curved surface AB if k= 3, R = 0.5 m, p = 1000 kg/m³ and the gravitational acceleration g = 9.81 m/s². Note that F is positive if it acts towards the right and is negative if it acts towards the left. Geometric properties of a half-parabola are also given below. FH 1. [17.8419375, 18.9455625 kN. 4R h m/00 b Liquid Р X Half-Parabola BR 9 A KR A = bh |xc=bh³ yy,chb³ = 15
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