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In pure rolling, the velocity at the poi...

In pure rolling, the velocity at the point of contact:

A

`omega r`

B

`gt omega r`

C

`lt omegar`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • In pure rolling, the velocity of the point of the rolling object which comes in contact with the surface line

    A
    maximum
    B
    minimum
    C
    zero
    D
    `2V_(CM)`

  • In the following question, statement 1 refers assertion and statement 2 refers reason. Statement 1: During perfect rolling, the frictional force is zero. Statement 2: The velocity at the point of contact becomes zero. Select the correct option.

    A
    Statement 1 and 2 are true and statement 2 is a correct explanation for statement 1.
    B
    Statements 1 and 2 are true and statement 2 is not a correct explanation for statement 1.
    C
    Statement 1 is true and statement 2 is false.
    D
    Statement 1 is false and statement 2 is true.

  • In the following question, statement 1 refers assertion and statement 2 refers reason. Statement 1: During perfect rolling, the frictional force is zero. Statement 2: The velocity at the point of contact becomes zero. Select the correct option.

    A
    Statement 1 and 2 are true and statement 2 is a correct explanation for statement 1.
    B
    Statements 1 and 2 are true and statement 2 is not a correct explanation for statement 1.
    C
    Statement 1 is true and statement 2 is false.
    D
    Statement 1 is false and statement 2 is true.

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