2. What is this body’s moment of inertia I about axis through disk A?
(A) 1.8 kg · m
(B) 1.8 kg · m2
(C) 4.0 kg · m
(D) 4.0 kg · m2
(E) 5.0 kg ·m2
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統計: A(4), B(50), C(0), D(1), E(1) #2356578
統計: A(4), B(50), C(0), D(1), E(1) #2356578
詳解 (共 2 筆)
#4744372
4kg x 0.25m2 + 5kg x 0.16m2=1.8kg•m2
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