4) centre of gravity 重心 1. As the jack-up platform has a highercentre of gravityand a larger windward area, owner, designers and operators are extremely concerned for its floating stability. 自升式平台由于重心高、受风面积大,它的漂浮稳性一直是业主、设计者和操作者最为关注的问题之一。
gravity,centre of 物体各部分所受重力的合力的作用点。地面附近物体每一微元都受地球引力和因地球自转产生的惯性离心力作用,其合力(即重力)方向大致指向地心。由于物体尺寸远小于地球半径,故可近似地把作用于一般物体各微元上的重力视为平行力系,物体的重心就是这平行力系的合力的作用点。对这类物体而言,重心与...
In this note we first show that the centroid (or centre of gravity) gives in value a(蟽+1)-approximation to any continuous single facility minisum location problem for any gauge with asymmetry measure蟽, and thus a 2-approximate solution for any norm. On the other hand for any gauge the...
A centroid is defined as a point located in the center of an area, which can be determined mathematically using different methods such as the barycenter of vertices, the center of gravity, or the center of the minimum bounding rectangle. ...
The centroid is the centre point of the object, equidistant from its vertices. Visit BYJU’S to learn definitions, properties and centroid formulas for different geometrical shapes with examples.
medians intersect. The co-ordinates of the centroid are the average (arithmetic mean) of the co-ordinates of all the points of the shape. For a shape of uniform density, the centroid coincides with the centre of mass which is also the centre of gravity in a uniform gravitational field....
The centroid of a body or a system of particles is basically the geometrical centre of the volume contained by the object. If the distribution of the mass across a body is spread uniform, then this geometrical centre is itself the centre of gravity of the body. The centroid is found...
A crankshaft whose center of gravity coincides with its center line is said to be___Istatically balanced IIdynamically balanced A.I only B.II only C.both I and II D.neither I nor II 点击查看答案 第3题 The Rosenthal Center for Contemporary Art in Cincinnati is Zaha Hadid's sole completed...
3)maximum vertical centre of gravity最大垂直重心 4)perpendicular vegetation index垂直植被指数 5)overbite depth index垂直向异常指数 1.Objective To measure the diagnostic indexes,including anteroposterior dysplasia indicator(APDI),overbite depth index(ODI),combination factor(CF)and extractor index(EI) of ...
The centre of area of such figures is known as centroid. The method of finding out the centroid of a figure is the same as that of finding out the centre of gravity of a body. Answer and Explanation: As the section is symmetrical about y-y axis, bisecting the web, therefore the...