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geerky42
 2 years ago
Four particles at the corners of a square with a side length L = 2m are connected by massless rods (See below) The particle masses are\( m_1 = m_4 = 3\) kg and \( m_2 = m_3 = 4\) kg. Find the moment of inertia of the system about the z axis.
geerky42
 2 years ago
Four particles at the corners of a square with a side length L = 2m are connected by massless rods (See below) The particle masses are\( m_1 = m_4 = 3\) kg and \( m_2 = m_3 = 4\) kg. Find the moment of inertia of the system about the z axis.

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Yahoo!
 2 years ago
Best ResponseYou've already chosen the best response.0\[I = \sum_{i=1}^{n}mi.(ri)^2\]

Yahoo!
 2 years ago
Best ResponseYou've already chosen the best response.0The trick here is to Choose Orgin..Make Mass ( M3) as Orgin.

Yahoo!
 2 years ago
Best ResponseYou've already chosen the best response.0Wait..... I about Z I(z) = I (x) + I (y)

geerky42
 2 years ago
Best ResponseYou've already chosen the best response.1and r for m1 and m4 is L? L√2 for m2, right?

geerky42
 2 years ago
Best ResponseYou've already chosen the best response.1Hmm, I tried this way and i was wrong, guess i should tr again... the key answer is 56 kg*m², by the way.
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