The masses are Q=0.400 kg, R=0.200 kg, and S=0.300 kg. Calculate the moment of i

Question

The masses are Q=0.400 kg, R=0.200 kg, and S=0.300 kg. Calculate the moment of inertia (of the 3 masses) with respect to an axis perpendicular to the xy plane and passing through x=0 and y=-3. [Since the masses are of small size, you can neglect the contribution due to moments of inertia about their centers of mass.]

Chrome File Edit View History Bookmarks People Window Help You QLON-CAPA Moment of Ine Leaving Group Conversion DPS3-Ch 13,14, KEY achegg.com x- x > Main Menu Contents Grades https://s2 lite.msu.edu/res/msu/kashy/physicsLib02/15 CM Momentinertialptmassgid problem?symb-uploaded%2fmsu%2f63 152883c582567dmsul 1 %2fdef Course Contents » » Homework set #6 due 3/1 at 11:59PM Moment of Inertia 3 masses in a plane ) Timer Notes Evaluate Feedback-Print Info Three small spherical masses are located in a plane at the positions shown below -5-4-3-2-10 1 2 3 4 5 X (m) The masses are Q=0.400 kg, R=0.200 kg, and S=0.300 kg. Calculate the moment of inertia (of the 3 masses) with respect to an axis perpendicular to the xy plane and passing through x=0 and y=-3. [Since the masses are of small size, you can neglect the contribution due to moments of inertia about their centers of mass.] Submit Answer Tries 0/20 Post Discussion A. Send Feedback

Explanation / Answer

Distance of R   from point of rotation axis =   6.324 m

Distance of S from point of rotation axis =   6 m

Distance of Q from point of rotation axis = 3.162 m

=>    moment of inertia =   0.200 * 40   + 0.4 * 10 + 0.300 * 36

                                      = 8 + 4 + 10.8

                                       = 22.8   kg. m2

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