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What is a rigid body?...

What is a rigid body?

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A rigid body is one whose constituent particles maintain their relative positions under the action of forces and torques on the body.
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Knowledge Check

  • 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.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion
    B
    If both assertion and reason are true but 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.

  • When a rigid body is in motion, few particles of the body remain at rest at all times. What kind of motion is the rigid body having?

    A
    Translational
    B
    Rotational
    C
    Rolling
    D
    Uniform circular motion

  • The angular momentum of a rigid body is

    A
    the moment of the acting force.
    B
    moment of the momentum.
    C
    moment of the mass.
    D
    moment of the acceleration.

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    The angular velocity of a rigid body about any point of that body is same :

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