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The centre of two identical spheres are `1.0` m apart . If the gravitational force between the spheres be `1.0` N , then what is the mass of each sphere ?
`(G = 6.67 xx 10^(-11) m^(3) kg^(-1) s^(-2))` .

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The correct Answer is:
`1.225 xx 10^(5)` kg
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SL ARORA-GRAVITATION-Exercise
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  5. An apple of mass 0.25 kg falls from a tree . What is the acceleration ...

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  6. If the mass of the sun is 2 xx 10^(30) kg , the distance of the earth...

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  7. How far from earth must a body be along a line towards the sun so that...

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  8. In an experiment using the Cavendish balance , the smaller spheres hav...

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  9. A sphere of mass 40 kg is being attracted by another sphere of mass 80...

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  10. The centre of two identical spheres are 1.0 m apart . If the gravitati...

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  11. Calculate the force of gravitation between the bodies , each of mass 1...

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  12. An apple of mass 0.25 kg falls from a tree . What is the acceleration ...

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  13. If the mass of the sun is 2 xx 10^(30) kg , the distance of the earth...

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  14. How far from earth must a body be along a line towards the sun so that...

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  15. A spherical mass of 20 kg lying on the surface of the Earth is attract...

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  16. The period of moon around the earth is 27.3 days and radius of the or...

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  17. Assuming the earth to be a uniform sphere of radius 6400 km and densit...

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  18. The mass of Jupiter is 314 times that of earth and the diameter of Jup...

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  19. The value of 'g' on the surface of the earth is 9.81 ms^(-2) . Find it...

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  20. An astronaut on the moon measures the acceleration due to gravity to b...

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