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# Lect7 Distributed Loads on Beams

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### Lect7 Distributed Loads on Beams

1. 1. Mindanao State University Iligan Institute of Technology College of EngineeringDistributed aLoads on Beams Force Gevelyn Bontilao Itao, MOE
2. 2. Distributed Loads Distributed loads: - consists of the weight of materials supported directly or indirectly by the beam, or it may caused by wind or hydrostatic pressure.gsbitao_2013
3. 3. Distributed Loads It can be represented by plotting load w supported per unit length L. It is expressed as N/m or lb/ft.gsbitao_2013
4. 4. Distributed Loads - The direction of the intensity of the load is indicated by arrows shown on the load intensity diagram. - This system of forces can be simplified to a single force W and its location x can be specified.gsbitao_2013
5. 5. Distributed Loads Hence, the magnitude of W is equal to the total area A under the curve.gsbitao_2013
6. 6. Distributed Loads Example 1: Determine the magnitude and location of the equivalent resultant force acting on the shaft.gsbitao_2013
7. 7. Distributed Loads Example 2: A beam supports a distributed load as shown. Determine the equivalent concentrated load and its location, and the reactions at the supports.gsbitao_2013
8. 8. Mindanao State University Iligan Institute of Technology College of EngineeringCentroid fora Force Composite Bodies Gevelyn Bontilao Itao, MOE
9. 9. Centroid for Composite Bodies Center of Gravity: - a point which locate the coordinate of the center of gravity of a system of particle..gsbitao_2013
10. 10. Centroid Centroid: - a point which defines the geometric center of the object. It is independent of the body’s weight and dependent on the bodies geometrygsbitao_2013
11. 11. Centroid Centroid: - a point which defines the geometric center of the object. It is independent of the body’s weight and dependent on the bodies geometrygsbitao_2013
12. 12. Centroid Centroid: - a point which defines the geometric center of the object. It is independent of the body’s weight and dependent on the bodies geometrygsbitao_2013
13. 13. Centroid for Composite Bodiesgsbitao_2013
14. 14. Centroid for Composite Bodies Example 1: Locate the centroid of the wire shown.gsbitao_2013
15. 15. Centroid for Composite Bodies Example 2: Locate the centroid of the area shown.gsbitao_2013
16. 16. Centroid for Composite Bodies Example 3: Locate the centroid of the shaded area shown.gsbitao_2013
17. 17. Centroid for Composite Bodies Example 4: Locate the centroid of the figure shown.gsbitao_2013