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Define gravitational constant G....

Define gravitational constant G.

Text Solution

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G has the same value for microscopic as well as macroscoic bodies found anywhere in the universe. It does not depend on the nature of medium between bodies and also on the nature of the bodies.
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Knowledge Check

  • Which of the following statement is correct regarding the universal gravitational constant G ?

    A
    G has same value in all system of units.
    B
    The value of G is same everywhere in the universe.
    C
    The value of G was first experimentally determined by Johannes Kepler
    D
    G is a vector quantity.

  • If speed of light c, accleratio due to gravity g and pressure p are taken as fundamental units, the dimension of gravitational constant (G) are

    A
    `c^(0)g p^(-3)`
    B
    `c^(2)g^(3)p^(-2)`
    C
    `c^(0)g^(2)p^(-1)`
    D
    `c^(2)g^(2)p^(-2)`

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    Two bodies, each of mass M, are kept fixed with a separation 2L. A particle of mass m is projected from the midpoint of the line joining their cehntres, perpendicualr to the line. The gravitational constant is G. The correct statement (s) is (are)

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