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The center of gravity of a triangle is on ______

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The center of gravity of a triangle is on ______

(a) centroid

(b) circum center

(c) in center

(d) ortho center

I have been asked this question during an internship interview.

My question is from Centres of Gravity topic in chapter Centres of Gravity, Moments of Inertia, Orthographic Reading and Conversion of Views of Engineering Drawing

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Correct answer is (a) centroid

The explanation: The center of gravity is defined as point on which whole weight if body balances (or) a point through which the resultant of forces of gravity of every particle in body acts. For planar objects like triangle the center of gravity will be at its centroid.

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