1. What are the definitions of the centroid, the center of gravity, and the moment of...

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1. What are the definitions of the centroid, the center of gravity, and the moment of inertia? (1 mark) 2. Write the moment of inertia formula for a circle, rectangle, and triangle about the X and Y axis. (1 mark) I 3. Calculate the moment of inertia of the blue-shaded shape (the circle is a void) about the X and Y axis. 150 mm 150 mm 150 mm 100 mm 100 mm 75 mm 300 mm (3 marks) 1. What are the definitions of the centroid, the center of gravity, and the moment of inertia? (1 mark) 2. Write the moment of inertia formula for a circle, rectangle, and triangle about the X and Y axis. (1 mark) I 3. Calculate the moment of inertia of the blue-shaded shape (the circle is a void) about the X and Y axis. 150 mm 150 mm 150 mm 100 mm 100 mm 75 mm 300 mm (3 marks)