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[" 8.A large spherical mass "M" is fixed...

[" 8.A large spherical mass "M" is fixed at one position and two "],[" identical masses "m" are kept on a line passing through the centreof "],[M" (see figure).The point masses are connected by a rigit "],[" massless rod of length "l" and this assembly is free to move along "],[" the line connecting them."],[" All three masses interact only through their mutual gravitational "],[" interaction.When the point mass nearer to "M" is at a distance "],[r=3l" from "M" the tension in the rod is zero for "m=k((M)/(288))" .The "],[" value of "k" is "]

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A larger spherical mass M is fixed at one position and two identical point masses m are kept on a line passing through the centre of M. The point masses are connected by rigid massless rod of length l and this assembly is free to move along the line connecting them. All three masses interact only throght their mutual gravitational interaction. When the point mass nearer to M is at a distance r =3l form M, the tensin in the rod is zero for m =k((M)/(288)). The value of k is

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