Three rods each of length |
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a) |
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b) |
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c) |
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d) |
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Three rods each of length |
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a) |
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b) |
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c) |
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d) |
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(a)
M.I. of rod (1) about axis,
M.I. of rod (2) about axis,
M.I. of rod (3) about axis,
Because this rod lies on -axis