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Standard XII

Physics

Com of Solid Bodies

40. A rod of ...

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40. A rod of weight W is supported by two parallel knife edges A and B is in equilibrium in a horizontal position.The knives are at a distance d from each other.The centre of mass of the rod is at distance x from A.The normal reaction pn A is 1)W(d-x)/d 2)Wx/d 3)Wd/x 4)W(d-x)/x

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A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The knives are at a distance d from each other. The centre of mass of the rod is at distance x from A. The normal reaction on A is :

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B

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