{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

87_Problem CHAPTER 9

# 87_Problem CHAPTER 9 - PROBLEM 9.76 Using the parallel-axis...

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

PROBLEM 9.76 Using the parallel-axis theorem, determine the product of inertia of the area shown with respect to the centroidal x and y axes. SOLUTION Symmetry implies ( ) 1 0 xy I = Using Sample Problem 9.6 and Equation 9.20, note that the orientation of A 2 corresponds to a 90° rotation of the axes; thus ( ) 2 2 2 1 72 x y I b h ′ ′ = Also, the orientation of A 3 corresponds to a 270° rotation of the axes; thus ( ) 2 2 3 1 72 x y I b h ′ ′ = Then ( ) ( ) ( ) 2 2 4 2 1 9 in. 6 in. 40.5 in 72 x y I ′ ′ = = and ( )( ) 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern