Suppose you have a rod with two spheres attached. As we move the spheres towards the...
Suppose you have a rod with two spheres attached. As we move the spheres towards the ends of the rod, what happens to the moment of inertia of the rod plus the spheres?
a. Nothing
b. It increases
c. It decreases
d. Not enough information to determine
Homework Answers
moment of inertia initially = mlrod^2/ 12 + 2* msphere *r^2
since distance r , from center of the rod is increasing so moment of inertia will increase
b. It increases
Comment in case any doubt, will reply for sure..
Goodluck
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