Category: Mechanics

Engineering sections are the shapes that are most commonly used in the design of civil engineering structures like I-section, T-section, L-section etc… These sections are used in building columns, roof trusses, cantilevers, bridge girders, beams, stadiums, …

Centroid by moment method is based on the principal of taking moments about any arbitrary point. Centroid by moment method states that “When a number of coplanar parallel forces acts in a certain plane, then …

Cube is a 3-dimensional shape whose length of each side is “L’”. Centroid of cube lies at a distance L/2 from each face of the cube.   Example Find the centroid of a cube whose length is …

Centroid of right circular cone lies at a height h/4 from reference x-axis. As shown in figure below;   Example Find the centroid of right circular cone whose diameter is 10cm and having height of …

Centroid of trapezium is bit tricky to determine. Because of different lengths a & b with having height “h”. Centroid of Trapezium Formula: Example A trapezium shape is given whose dimensions are; a = 6’, …

Half circle is known as semi-circle. Centroid of semi-circle is at a distance of 4R/3π from the base of semi-circle. As shown in the figure below: Centroid of Semi-circle Formula:   Example Find the centroid of …

Centroid of a circle is very easy to determine. Centroid of circle lies at the center of a circle that is also called as the radius of circle from edges of a circle. As shown below. …

Center of gravity (centroid) of a triangle lies at a common point where the medians of geometric figures intersect each other. For determining centroid draw a lines from medians of each face to the corner …

Square is figure whose all dimensions are same. Centroid of square lies where, diagonals intersects each other. As shown in the figure. Example Find the centroid of square whose breadth and thickness is 5 ft. …

Centroid of rectangle lies at intersection of two diagonals. Diagonals intersect at width (b/2) from reference x-axis and at height (h/2) from reference y-axis. As shown below.   Examples Find the centroid of rectangular wall …