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The angular displacement in circular mot...

The angular displacement in circular motion is

A

dimensional quantity

B

dimensionless quantity

C

unitless quantity and dimensionless quantity

D

unitless quantity

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • The rate of change of angular displacement in uniform circular motion is .

    A
    angular velocity `(vec omega)`
    B
    angular speed `( omega)`
    C
    angular acceleration `(vec theta)`
    D
    radial acceleration

  • A particle moves through angular displacement theta on a circular path of radius' r'. The linear displacement will be:

    A
    `2r sin ((theta)/(2))`
    B
    `2r cos ((theta)/(2))`
    C
    ` 2r tan ((theta)/(2))`
    D
    `2r cot ((theta)/(2))`

  • The relation between linear speed v, angular speed omega and angular acceleration alpha in circular motion is

    A
    `alpha=(aomega)/v`
    B
    `alpha=(av)/omega`
    C
    `alpha=(vomega)/a`
    D
    `alpha=(omega)/(av)`

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    The angular displacement of a particle performing circular motion is theta=(t^(3))/(60)-(t)/(4) where theta is in radian and 't' is in second .Then the angular velocity and angular acceleraion of a particle at the end of 5 s will be

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