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Chapter 9

Center of Gravity and Centroid

Centre de gravité
Centre de gravité
The center of gravity is the point at which an object's weight appears to be concentrated and can be used to balance the object perfectly. This point ...
Centre de masse
Centre de masse
The center of mass is the point at which the total mass of an object can be said to be concentrated. It is a fundamental principle in mechanics and ...
Centroïde d’un corps
Centroïde d’un corps
The centroid is an important concept in engineering, physics, and mechanics. It is the geometric center of a body. It always lies within the body except ...
Centroïde d’un corps : résolution de problèmes
Centroïde d’un corps : résolution de problèmes
The centroid of a body is a crucial concept in engineering and physics. Finding the centroid of a body can help determine its stability, its balance ...
Centroïde pour le paraboloïde de la révolution
Centroïde pour le paraboloïde de la révolution
The paraboloid of revolution is an axially symmetric surface generated by rotating a parabola around its axis. This shape has several applications in ...
Carrosseries composites
Carrosseries composites
A composite body is a body made up of multiple parts, connected to form a larger, unified object. Each part has its own weight and center of gravity, ...
Théorèmes de Pappus et Guldinus
Théorèmes de Pappus et Guldinus
The two theorems developed by Pappus and Guldinus are widely used in mathematics, engineering, and physics to find the surface area and volume of any body ...
Théorèmes de Pappus et Guldinus : résolution de problèmes
Théorèmes de Pappus et Guldinus : résolution de problèmes
Pappus and Guldinus's theorems are powerful mathematical principles that are used for finding the surface area and volume of composite shapes. For ...
Résultante d’une charge distribuée générale
Résultante d’une charge distribuée générale
While designing structures exposed to non-uniform loads, it is crucial to consider the resultant force and its location. This resultant force is a single ...
Pression du fluide
Pression du fluide
In mechanical engineering, fluid pressure plays a critical role in designing systems that utilize liquid flow, such as hydraulic systems, pumps, and ...
Pression du fluide sur une plaque plate de largeur constante
Pression du fluide sur une plaque plate de largeur constante
When a body is submerged in water, it experiences fluid pressure acting normal on its surface and distributed over its area. For better design structures, ...
Pression du fluide sur une plaque incurvée de largeur constante
Pression du fluide sur une plaque incurvée de largeur constante
When a curved plate of constant width is submerged in a liquid, the pressure acting normal to the plate varies continuously both in magnitude and ...
Pression du fluide sur une plaque plate de largeur variable
Pression du fluide sur une plaque plate de largeur variable
When a flat plate is submerged in a fluid, the fluid exerts pressure on the plate. This pressure can lead to many different phenomena, including drag and ...
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