9 of 15 Incorrect X Incorrect X apling Learning Map of acmillan learning A 117-k

Question

9 of 15 Incorrect X Incorrect X apling Learning Map of acmillan learning A 117-kg horizontal platform is a uniform disk of radius 1.85 m and can rotate about the vertical axis through its center. A 64.7-kg person stands on the platform at a distance of 1.17 m from the center and a 25.7-kg dog sits on the platform near the person, 1.33 m from the center. Find the moment of inertia of this system, consisting of the platform and its population, with respect to the axis. Number 2.94 kg• m² Previous Give Up & View Solution Check Answer Next Exi

Explanation / Answer

Total moment of inertia= moment of inertia of disk +man + dog

I= 1/2 MR2+ m1 d12+ m1 d22

I= 1/2 (117)(1.85)2+64.7(1.17)2+25.7(1.33)2

I=334.24 kgm2

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