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Newton's law of gravitation :...

Newton's law of gravitation :

A

is not applicable out side the solar system

B

is used to govern the motion of satellites only

C

control the rotational motion of satellites and planets

D

control the rotational motion of electrons in atoms

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • Assertion : The centres of two cubes of masses m_(1) and m_(2) are separated by a distance r. The gravitational force between these two cubes will be (Gm_(1)m_(2))/(r^(2)) Reason : According to Newton's law of gravitation, gravitational force between two point masses m_(1) and m_(2) separated by a distance r is (Gm_(1)m_(2))/(r^(2)) .

    A
    If both Assertin and Reason are correct and Reason is the correct explanation of Assertion
    B
    If both Assertion and Reason are correct but Reason is not the correct explanation of Assertion
    C
    If Assertion is true but Reason is false
    D
    If Assertion is false but Reason is true

  • Keller's third law states that the square of period of revolution (T) of a planet around the sun is proportional to the sun is proportional to the third power of average distance , r between the sun and the planet i.e T^2 = Kr^3 Here ,K is constant . If masses of the sun and the planet are M and m respectively , then as per Newton's law of gravitation force of attraction between them is F =(GMm)/r^2 , Where G is gravitational constant . The relation between G and K is described as

    A
    `GK = 4pi^2`
    B
    `GMK = 4pi^2`
    C
    `K = G`
    D
    `K=1/G`

  • Kepler's third law states that the square of period of revolution (T) of a planet around the sun, is proportional to third power of average distance, r between the sun and the planet i.e. T^2 = Kr^3 Here, K is constant. If masses of the sun and the planet are M and m respectively, then as per Newton's law of gravitation, force of attraction between them is F = (GMm)/r^2 where G is gravitational constant.The relation between G and K is described as

    A
    `GK = 4pi^2`
    B
    `GMK = 4pi^2`
    C
    `K=G`
    D
    `K=1/G`

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    According to Newton's law of gravitation, the force F between two bodies of masses m_1 and m_2 placed at a distance of 'r' from each other is given as F = G xx (m_1 xx m_2)/(r^2) , where G is the universal gravitational constant. Find the units of G in both C.G.S. and S.I. system.

    Newtons law of gravitation

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    Kepler's third law states that square of period of revolution (T) of a planet around the sun, is proportional to third power of average distance r between sun and planet i.e. T^2 = Kr^3 here K is constant. If the masses of sun and planet are M and m respectively then as per Newton's law of gravitation force of attraction between them is F=(GMm)/(r^2) , here G is gravitational constant. The relation between G and K is described as

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