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Figure shows a cubical box that has been constructed from uniform metal plate of negligible thickness. The box is open at the top and has edge length 40 cm. The z co-ordinate of the centre of mass of the box in cm, is
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Correct option is B
If m is mass of one plate, thenZcm = m.20+m.20+m.20+m.20+m.05m = 16 cmSimilar Questions
A rod of length 3 m and its mass acting per unit length is directly proportional to distance x from one of its end, then its centre of gravity from that end will be at
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