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PROBLEM 9.82
Determine the moments of inertia and the product of inertia of the
area of Problem 9.75 with respect to new centroidal axes obtained
by rotating the x and y axes 45 clockwise.
PROBLEM 9.82 (Continued)
PROBLEM 9.83
Determine the moments of inertia and the product of inertia of the
1
4
L3 2 -in.
angle cross section of Problem 9.74 with respect to
new centroidal axes obtained by rotating the x and y axes 30
clockwise.
PROBLEM 9.84
Determine the moments of inertia and the product of inertia of the
L152 102 12.7-mm angle cross section of Prob. 9.78 with
respect to new centroidal axes obtained by rotating the x and y axes
30 clockwise.
PROBLEM 9.85
For the quarter ellipse of Problem 9.67, determine the orientation of
the principal axes at the origin and the corresponding values of the
moments of inertia.
SOLUTION
44
PROBLEM 9.86
For the area indicated, determine the orientation of the principal
axes at the origin and the corresponding values of the moments of
inertia.
Area of Problem 9.72.
PROBLEM 9.87
For the area indicated, determine the orientation of the principal
axes at the origin and the corresponding values of the moments of
inertia.
Area of Problem 9.73.
SOLUTION
PROBLEM 9.88
For the area indicated, determine the orientation of the principal
axes at the origin and the corresponding values of the moments
of inertia.
Area of Problem 9.75.
PROBLEM 9.89
For the angle cross section indicated, determine the orientation of
the principal axes at the origin and the corresponding values of the
moments of inertia.
The
1
4
L3 2 -in.
angle cross section of Problem 9.74.
SOLUTION
PROBLEM 9.90
For the angle cross section indicated, determine the
orientation of the principal axes at the origin and the
corresponding values of the moments of inertia.
The
L152 102 12.7-mm
angle cross section of
Problem 9.78.
SOLUTION
64
