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Assertion : The force between two finite...

Assertion : The force between two finite rigid bodies is not necessarily along the line joining their centre of mass .
Reason : Gravitational force between two particles is central .

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

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • The gravitational force between two bodies is :

    A
    always repulsive
    B
    always attractive
    C
    attractive only at large distances
    D
    repulsive only at large distances.

  • Assertion : Gravitational force between two masses in air is F. If they are immersed in water, force will remain F Reason : Gravitational force does not depend on the medium between the masses.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion
    B
    If both assertion and reason are truebut reason is not the correct explanation of assertion
    C
    If assertion is true but reason is false
    D
    If both assertion and reason are false.

  • If the distance between two point particles is doubled, then the gravitational force between them

    A
    decreases by a factor of 4
    B
    decreases by a factor of 2
    C
    increases by a factor of 2
    D
    increases by a factor of 4

    • Similar Questions

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    Calculate the ratio of electric to gravitational force between two electrons.

    Assertion : The size and shape of the rigid body remains unaffected under the effect of external force. Reason : The distance between two particles remains constant in a rigid body.

    State whether the gravitational force between two masses is attractive or repulsive ?

    Assertion : Plane of a satellite always passes through the centre of earth Reason : Gravitational force on satellite is always towards centre of earth.

    Assertion : A central force is such that the force on the planet is along the vector joining the sun and the planet. Reason : Conservation of angular momentum is valid for any central force.

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