A square framework formed of uniform heavy rods of equal weight joined together is hung by one corner. A weight is suspended from each of the three lower corners and the shape of the square is preserved .with the help of a light rod along the horizontal diagonal. The thrust of the light rod is

A square framework formed of uniform heavy rods of equal weight joined

1.	A square framework formed of uniform heavy rods of equal weight joined together is hung by one corner. A weight is suspended from each of the three lower corners and the shape of the square is preserved .with the help of a light rod along the horizontal diagonal. The thrust of the light rod is
A.	2
B.	3
C.	4
D.	6
Answer» D. 6

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A square framework formed of uniform heavy rods of equal weight joined together is hung by one corner. A weight is suspended from each of the three lower corners and the shape of the square is preserved .with the help of a light rod along the horizontal diagonal. The thrust of the light rod is

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