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The angle of inclination of an inclined ...

The angle of inclination of an inclined plane is `60^(@)`. Coefficient of friction between 10kg body on it and its surface is 0.2, `g=10 ms^(-2)`. The acceleration of the body down the plane in `ms^(-2)` is

A

5.667

B

6.66

C

7.66

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
C
`F=ma, a = g (sin theta-mu_(K)cos theta)`
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Knowledge Check

  • The angle of inclination of an inclined plane is 60^(@) . Coefficient of friction between 10kg body on it and its surface is 0.2, g= 10ms^(-2) . The acceleration of the body down the plane in ms^(-2) is .

    A
    `5.667`
    B
    `6.66`
    C
    `7.66`
    D
    Zero

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    A
    `66.6 N`
    B
    `86.6 N`
    C
    `96.6N`
    D
    `76.6 N`

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    A
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