Gravitation

Related Questions

• R and r are the radii of the earth and moon respectively. ${\rho _e}$ and ${\rho _m}$ are the densities of earth and moon respectively. The ratio of the accelerations due to gravity on the surfaces of earth and moon is

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• If the angular speed of the earth is doubled, the value of acceleration due to gravity (g) at the north pole

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• The gravitational force between two point masses ${m_1}$ and ${m_2}$ at separation r is given by $F = k\frac{{{m_1}{m_2}}}{{{r^2}}}$ The constant k

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• The correct answer to above question is based on

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• The gravitational field due to a mass distribution is $E = K/{x^3}$ in the x-direction. (K is a constant). Taking the gravitational potential to be zero at infinity, its value at a distance x is

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