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1. By: Jaimin Pandya
Centroid and Centre of Gravity

2. Centroid and Centre of Gravity
Centroid Center of Gravity
• It is defined as a point about
which the entire line, area or
volume is assumed to be
concentrated.
• It is related to distribution of
length, area and volume.
• It is defined as a point about
which the entire weight of the
body is assumed to be
concentrated.
• Center of mass.
• It is related to distribution of
mass.

3. Examples

4. Examples

5. Examples

6. Examples

7. Axis of Reference

8. Center of Gravity
 Consider system of n particles fixed within a region of space.
 The weights of the particles can be replaced by a single (equivalent)
resultant weight having defined point G of application

9. Center of Gravity

10. Center of mass

11. Center of Volume / Volume centroid

12. Center of Area / Area centroid

13. Center of Line / Line centroid

14. Axis of symmetry

15. Axis of symmetry