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First moment of area-round shapes.

A complete illustration for the first moment of area, for round shapes. Shapes include circles, tubular shafts, semi-circles.

6- Practice problem 5-8. Find the centroid for the shaded area

February 24, 2025July 25, 2023 by Maged kamel
Practice problem 5-8- find the centroid of a shaded area.

Practice problem 5-8. Find the centroid for the shaded area. using integration we will find the x bar and y bar of the centroid for a composite shape.

Categories First moment of area-round shapes. Tags Practice problem 5-8 for centroid of a shaded area

5-How to find the area and Cg for a circular segment?

September 12, 2024April 20, 2022 by Maged kamel
The first moment of area for a circular segment.

How do you determine the area and Cg for a circular segment? We will deduct the area of two triangles from the area of the circular sector.

Categories First moment of area-round shapes. Tags Area & Cg for circular segment.

4-How to find the area and Cg for a circular sector?

March 8, 2024April 20, 2022 by Maged kamel
What is the first moment of area for a circular sector?

How do you determine the area and Cg for a circular sector? Use the integration of small area dA to get the value of the area and the Cg distance.

Categories First moment of area-round shapes.

3-How to find the area and Cg for a semi-circle?

August 13, 2024April 18, 2022 by Maged kamel
What is the first moment of area for a semi-circle?

How do you determine the area and Cg for a semi-circle? Use the integration of small area dA to get the value of the area and the Cg distance.

Categories First moment of area-round shapes. Tags Cg for semi-circle

2- How to find the area and Cg for a circular shaft?

May 21, 2023April 14, 2022 by Maged kamel
What is the first moment of area for a circular shaft?

How to determine the area and Cg for a circular shaft? Use the integration of small area dA to get the value of the area and the Cg distance.

Categories First moment of area-round shapes. Tags area and Cg for a circular shaft.

1- How to find the area and Cg for a circle?

February 2, 2023April 3, 2022 by Maged kamel

How to determine the area and Cg for a circle? Use the integration of small area dA to get the value of the area and the Cg distance.

Categories First moment of area-round shapes. Tags Cg for a circle

Categories

CB value-bracing at the midpoint of a beam-uniform load (1) CB value-bracing at third points of a beam-uniform load (1) Compact and non compact sections. (1) Deflection of steel beams (3) Discontinuity functions table for loads (2) Effective length factor for an inelastic column. (1) How to design a steel beam? (1) Inertia Ix for Parallelogram. (2) Introduction to Numerical analysis part 2 (1) introduction to Tension members (2) list of steel beams posts-part -4a (1) List of tension members posts-part 3 (1) LU-partial pivoting (2) Mohr's circle of inertia part 2 (2) Moment of inertia Ix for the Trapezium-second option (1) Permutation matrix. (2) Product of inertia Ixy for the parallelogram (1) Review of AISC table 2-5 for plates. (1) Simple interest and compound interest (2) Solved problem-7-4-1 (1) Solved problem-8 by Modified Newton-Raphson. (1) Solved problem 5-2 for the plastic moment value for W10x60. (1) Solved problem 7-2 for frames 1-3 (1) Solved problem 8-32, finding the plastic nominal load (2) Solved problems for the net area. (2) steel beam posts part -2a (1) Two Practice problems for inertia for trapezium. (1) Two Practice problems for Ixy for trapezium (1) Uniform series of compound interest. (2) video-Use a vl strip to get Ix for right-angle case-2 (1) Video for Ix and Iy for an isosceles (1) Video for Ix for a right-angle case -2-Use Hl strip. (1) Video for Mohr's circle of inertia case-2. (1) x bar for a right angle triangle (2) y bar for a right angle triangle by integration. (2)

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