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Ask iit jee aieee pet cbse icse state board experts Discussion Response Post to: Beam Balance
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atish (10)

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Olaaa!! Perrrfect answer. 2  [2 rates]

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Thank you for showing so much interest in my problem.
From what I understand by looking at your post, you mean to say the CM of whole system is lowered..........due to maybe two possibilities:
1) Due to weight kept on pan
2) Due to lowering of one pan

Well, for case 1, the additional weight is really not a part of the system........say if I just press down on one pan with a force (contact or non-contact), the pan will tilt...apply progressively increasing resistance..........but CM is same.

Case 2 is really lame coz the other pan rises up by the same amount.

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