Войдите в систему

Chapter 9

Center of Gravity and Centroid

Центр тяжести
Центр тяжести
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 ...
Центр масс
Центр масс
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 ...
Центроид тела
Центроид тела
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 ...
Центроид тела: решение проблем
Центроид тела: решение проблем
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 ...
Центроид для параболоида вращения
Центроид для параболоида вращения
The paraboloid of revolution is an axially symmetric surface generated by rotating a parabola around its axis. This shape has several applications in ...
Составные тела
Составные тела
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, ...
Теоремы Паппа и Гульдина
Теоремы Паппа и Гульдина
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 ...
Теоремы Паппа и Гульдина: решение проблем
Теоремы Паппа и Гульдина: решение проблем
Pappus and Guldinus's theorems are powerful mathematical principles that are used for finding the surface area and volume of composite shapes. For ...
Результирующая общей распределенной загрузки
Результирующая общей распределенной загрузки
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 ...
Давление жидкости
Давление жидкости
In mechanical engineering, fluid pressure plays a critical role in designing systems that utilize liquid flow, such as hydraulic systems, pumps, and ...
Давление жидкости на плоской пластине постоянной ширины
Давление жидкости на плоской пластине постоянной ширины
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, ...
Давление жидкости на изогнутой пластине постоянной ширины
Давление жидкости на изогнутой пластине постоянной ширины
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 ...
Давление жидкости на плоской пластине переменной ширины
Давление жидкости на плоской пластине переменной ширины
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 ...
JoVE Logo

Исследования

Образование

О JoVE

Авторские права © 2025 MyJoVE Corporation. Все права защищены