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Define gravitational constant G....

Define gravitational constant G.

Text Solution

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The gravitational constant is defined as the force of attraction between two bodies of unit mass separated by a unit distance.
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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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    Explore conceptually related problems

    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)

    The value of universal gravitational constant G depends upon :

    The dimensional formula for Planck's constant and gravitational constant G respectively are :-

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    The ratio of S.I unit of the C.G.S unit of gravitational constant 'G' is-

    STATEMENT-1: Dimensional constants are the quantities whose values are constant STATEMENT-2: Dimensional constants are dimensionless STATEMENT-3 Universal gravitational constant (G) is a dimensional constant

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