What is the difference between centre of gravity and centroid

The point where the cutout is balanced perfectly over the tip is the centre of that object. While Centre of Gravity is the point where the weight of the body is focused, Centroid is the geometric centre of an object. Both these terms involve the concepts of density, weight and balance of any object.

However, both of these terms are related to each other with the respect to the density of the object. If the object does not have uniform density, then its focus point is called Centre of Gravity. Whereas if it is of uniform density, then the Centre of Gravity is equal to its Centroid.

Both Centre of Gravity and Centroid are concepts that are important, to find out the central focus point of objects where the gravitational force acts on the body. Skip to content Every object is said to weigh a certain amount and have mass. What is Centre of Gravity? What is Centroid? Main Differences Between Centre of Gravity and Centroid The main difference between Centre of Gravity and Centroid is that the former refers to the point where the total weight of the body is concentrated whereas the latter the refers to the geometric centre of an object.

Centre of Gravity denotes the total weight of an object with any density. But Centroid is the centre of an object with uniform density. Centre of Gravity refers to a physical characteristic of a body whereas Centroid refers to a geometric characteristic of an object.

The point where the gravitational force acts upon the body with any density is called Centre of gravity. Then we need to hang plumb on the same nail. Then we need to draw with a pencil the direction which is determined by the direction of the end of the plumb. This direction is generally known as the centre of gravity which is of the object. Hang the body on the other holes as well and then repeat the procedure.

The centre of gravity or we can say that the centre of mass is said to be the point where the whole mass of the body is concentrated. This is said to be where the gravitational force that is the weight of the body generally acts for any orientation of the body.

When considering irregular geometric objects, the centre of gravity is located at the intersection of the gravity lines. There are two terms known as centroid and centre of gravity, which describe the physical properties regarding gravitational forces. Moreover, a centroid is the geometric centre of an object while the centre of gravity is a point at which the weight of a body or a system acts on.

The following infographic lists the differences between centroid and centre of gravity in tabular form for side by side comparison. Centroid and centre of gravity are two terms that describe physical properties regarding gravitational forces. The key difference between centroid and centre of gravity is that centroid of plane figure is the arithmetic mean position of all the points in the figure, whereas centre of gravity of a material is a point that is useful for a summary description of gravitational interactions.

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