111_Problem CHAPTER 9

111_Problem CHAPTER 9 - PROBLEM 9.93 Using Mohr's circle,...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
PROBLEM 9.93 Using Mohr’s circle, determine the moments of inertia and the product of inertia of the area of Problem 9.73 with respect to new centroidal axes obtained by rotating the x and y axes through o 30 clockwise. SOLUTION From Problems 9.73 and 9.81 64 138.24 10 mm xy I 51.84 x I π 162.86 103.68 y I 325.72 Now () ave 1 2 x y I II =+ 244.29 2 2 2 xy xy RI    160.4405 From Problem 9.87 2 59.5 m θ = ° Then 180 60 2 60.5 m αθ = −° = ° Then
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online