Determine the position of the neutral axis of a T-section if the top of the T is a rectangle 100 mm by 10 mm and the stem of the T is a rectangle 120 mm by 10 mm. Determine the second moment of area...

Determine the position of the neutral axis of a T-section if the top of the T is a rectangle 100 mm by 10 mm and the stem of the T is a rectangle 120 mm by 10 mm.

Determine the second moment of area of a rectangular section of breadth 50 mm and depth 100 mm.