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The mass of a ball is four times the mas...

The mass of a ball is four times the mass of another ball. When these balls are separated by a distance of `10 cm`, the gravitational force between them is `6.67xx10^(-7) N`. The masses of the two balls are in `kg`.

A

10,20

B

5,20

C

20,30

D

20,40

Text Solution

Verified by Experts

The correct Answer is:
B
`F_(g)=(Gm_(1)m_(2))/(R^(2))` Given `m_(2)=4m_(1)`
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NARAYNA-GRAVITATION-EXERCISE -I (H.W.)
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  4. Gravitational force between two point masses m and M separated by a di...

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  5. Three uniform spheres each of mass m and diameter D are kept in such a...

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  6. A 3kg mass and 4kg mass are placed on X and Y axes at a distance of 1 ...

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  7. The height at which the value of g is half that on the surface of the ...

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  8. The depth at which the value of g becomes 25% of that at the surface o...

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  9. If the radius of the earth decreases by 10%, the mass remaining unchan...

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  10. The acceleration due to gravity at the poles is 10ms^(-2) and equitori...

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  11. The maximum horizontal range of projectile on the earth is R. Then for...

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  13. The value of acceleration due to gravity 'g' on the surface of a plane...

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  14. If g is acceleration due to gravity on the surface of the earth, havin...

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  15. There are two bodies of masses 100 kg and 1000 kg separated by a dista...

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  16. Masses 4kg and 36 kg are 16 cm apart. The point where the gravitationa...

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  17. Two particle of masses 4kg and 8kg are kept at x=-2m and x=4m respecti...

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  18. Three particles each of mass m are kept at the vertices of an euilater...

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  20. If W is the weight of a satellite on the surface of the earth, then th...

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