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Which of the following represent the New...

Which of the following represent the Newton's law of universal gravitation correctly?

A

`vecF=(Gm_1 m_2)/r^2 vec r`

B

`vecF=(Gm_1 m_2)/r^3 hat r`

C

`vecF=(Gm_1 m_2)/r^3 vec r`

D

`vecF=(Gm_1 m_2)/r vec r`

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TARGET PUBLICATION-Gravitation-Exercise
  1. Newton's law of gravitation is universal because

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  2. The force of attraction between any two particles in the universe is d...

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  3. Which of the following represent the Newton's law of universal gravita...

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  4. The force of attraction between two unit point masses separated by a u...

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  5. Which of the following statements about the gravitational constant is ...

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  6. The dimension of the universal constant of gravitation G is

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  7. Gravitational constant in the M.K.S. system is of the order of

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  8. Which of the following is the S.I. unit of universal gravitational con...

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  9. The C.G.S. unit of universal gravitational constant is

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  10. Two bodies of masses m and 2m are kept at distance r apart from each o...

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  11. The gravitational constant G is equal to 6.67xx10^(-11)N m^2//kg^2 in ...

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  12. The force of gravitation between two bodies of mass 1kg each separated...

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  13. The value of gravitational constant is determined using

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  14. While performing experiment using Cavendish balance, restoring torque ...

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  15. The gravitational force exerted by the earth on a body is called

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  16. If the earth shrinks without change in mass, what will be the effect o...

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  17. A spherical planet far out in space has a mass M0 and diameter D0. A p...

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  18. Toe mass and diameter of a planet have twice the value of the correspo...

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  19. The moon's radius is 1/4 that of the earth and its mass is 1 /80 times...

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  20. The gravitational acceleration on the surface of the earth of radius R...

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