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The Centre of gravity is an imaginary point in a body of matter where the total weight of the body is thought to be concentrated. In general, determining the centre of gravity may be complicated because the mass and weight may not be uniformly distributed throughout the object.
- Archimedes of Syracuse discovered the centre of gravity.
- The centre of gravity affects the stability of objects. The lower the centre of gravity (G) is, the more stable the object. The higher it is, the m...
- The Centre of gravity vastly simplifies calculations involving gravitation and dynamics to treat the mass of an object as if it is concentrated at...
- In an anatomical position, the centre of gravity lies approximately anterior to the second sacral vertebra. However, since human beings do not rema...
- The position of the centre of gravity of an object affects its stability. The lower the centre of gravity (G) is, the more stable the object. The h...
Jan 29, 2024 · The centre of gravity of an object is the point at which the weight of the object may be considered to act. For example, for a person standing upright, their centre of gravity is roughly in the middle of the body behind the navel, and for a sphere, it is at the centre.
Center of gravity, in physics, an imaginary point in a body of matter where, for convenience in certain calculations, the total weight of the body may be thought to be concentrated. In a uniform gravitational field, the center of gravity is identical to the center of mass.
- The Editors of Encyclopaedia Britannica
- Geometrical Consideration
- Method of Moments
- Method of Integration
- Center of Gravity Equation
The following are the few important geometrical shapes that are used to determine the center of gravity of the objects by geometrical consideration: Squares and Rectangles: The intersection point of the lines joining the diagonals of a square or a rectangle gives the center of gravity of the square or rectangle-shaped objects. Triangles: The inters...
In this method, the principle of moments is used to determine the location of the center of gravity of the objects. According to the method of moments, the moment of a resultant forceis equal to the sum of the moments caused by the component forces. This method can be used to determine the center of gravity of any complex-shaped object.
The method of integrationis similar to the method of moments. In this method, initially, the given object is divided into smaller elements, and the center of gravity is determined. Then, the location of the center of gravity of the object is obtained by integration.
The center of gravity of an object is determined using the following equations: (i) To find the center of gravity of the object about the reference axis-y x¯=w1x1+w2x2+w3x3+...+wnxnw1+w2+w3+...+wn Where, w1,w2,w3,...,wnare the weights of small elements.
- 5 min
Nov 24, 2022 · An easy-to-understand introduction to the idea of center of gravity. How does gravity make tall things topple over? Why do low-down things keep their balance?
Centre of gravity is the point through which the weight of a body acts vertically downwards. ii) As the mass of a body remains constant anywhere in the universe, a body always has a definite centre of mass.
In this article, we will learn the center of gravity and its equation. We will also learn about the center of gravity of different shapes. The center of gravity of a body is a point where the weight of the body acts and the total gravitational torque on the body is zero.
