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STATEMENT-1: In uniform circular motion ...

STATEMENT-1: In uniform circular motion acceleration is constant.
STATEMENT-2: In unifrom circular motion magnitude of acce,eration is `(V^(2))/(r )` and direction is always towards the centre.

A

Statement -1 is True, Statement-2 is Ture, Statement-2 is a correct explanantion for Statement-1.

B

Statement-1 is Ture, Statement-2 is Ture, Statement-2 is Not a correct explanantion for Statement-1.

C

Statement-1 is True, Statement-2 is False.

D

Statement-1 is False, Statement-2 is True.

Text Solution

Verified by Experts

The correct Answer is:
D
In unifrom circular motion direction of acceleration is always along the raidal direction. As particle is rotaing so radial vector keeps on changing.
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Knowledge Check

  • STATEMENT-1: In uniform circular motion acceleration is constant. STATEMENT-2: In uniform circular motion speed is constant.

    A
    Statement -1 is True, Statement-2 is Ture, Statement-2 is a correct explanantion for Statement-1.
    B
    Statement-1 is Ture, Statement-2 is Ture, Statement-2 is Not a correct explanantion for Statement-1.
    C
    Statement-1 is True, Statement-2 is False.
    D
    Statement-1 is False, Statement-2 is True.

  • In a uniform circular motion, the centripetal acceleration is

    A
    Towards the centre of the circular path and perpendicular to the instantaneous velocity
    B
    Away from the centre of the circular path and perpendicular to the instantaneous velocity
    C
    A variable acceleration making `45^@` with the instantaneous velocity
    D
    A variable acceleration , parallel to the instantaneous velocity

  • STATEMENT -1 : In non - uniform circular motion acceleration of a particles is along the tangent of the circle . STATEMENT -2 : In uniform circular motion acceleration of a particle is zero . STATEMENT -3 : In no - uniform circular motion acceleration of a particle is towards the centre of the circle.

    A
    ` T "T "T`
    B
    `T " T "F`
    C
    `F" F "F`
    D
    `F" T "T`

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