Gravitation

Related Questions

• Acceleration due to gravity 'g' for a body of mass 'm' on earth's surface is proportional to (Radius of earth=R, mass of earth=M)

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• Reason of weightlessness in a satellite is

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• How much energy will be necessary for making a body of 500 kg escape from the earth $[g = 9.8\,m/{s^2}$, radius of earth $ = 6.4 \times {10^6}\,m]$

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• A spring balance is graduated on sea level. If a body is weighed with this balance at consecutively increasing heights from earth's surface, the weight indicated by the balance

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• The earth (mass $ = 6 \times {10^{24}}\,kg)$) revolves round the sun with angular velocity $2 \times {10^{ - 7}}\,rad/s$ in a circular orbit of radius $1.5 \times {10^8}\,km$. The force exerted by the sun on the earth in newtons, is

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