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PROBLEM 9.142
Determine the mass moments of inertia and the radii of
gyration of the steel machine element shown with respect
to the x and y axes. (The density of steel is 7850 kg/m
3
.)
SOLUTION
PROBLEM 9.142 (Continued)
PROBLEM 9.143
Determine the mass moment of inertia of the steel machine
element shown with respect to the x axis. (The density of
steel is
3
490 lb/ft .)
SOLUTION
PROBLEM 9.144
Determine the mass moment of inertia of the steel machine
element shown with respect to the yaxis. (The density of
steel is
3
490 lb/ft .)
SOLUTION
PROBLEM 9.144 (Continued)
PROBLEM 9.145
Determine the mass moment of inertia of the steel fixture
shown with respect to (a) the x axis, (b) the y axis, (c) the
z axis. (The density of steel is 7850 kg/m
3
.)
PROBLEM 9.145 (Continued)
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PROBLEM 9.146
Aluminum wire with a weight per unit length of 0.033 lb/ft is used to
form the circle and the straight members of the figure shown.
Determine the mass moment of inertia of the assembly with respect to
each of the coordinate axes.
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