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The length of a smooth inclined plane of...

The length of a smooth inclined plane of incilination `30^(@)` is 5 m. The work done is moving a 10kg mass from the bottom of the inclined plane to top is

A

245 j

B

490 j

C

980 j

D

500 j

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The length of a smooth inclined plane of inclination 30^(@) is 5m. The work done in moving a 10kg mass from the bottom of the inclined plane to top is

    A
    245J
    B
    490J
    C
    980J
    D
    500J

  • The length of a smooth inclined plane of inclination 30^(@) is 5m. The work done in moving a 10 kg mass from the bottom of the inclined plane to top is

    A
    245 J
    B
    490 J
    C
    980 J
    D
    500 J

  • A body is placed on a smooth inclined plane of inclination 1 in x. The horizontal acceleration to be given to the inclined plane so that the body on it remains at rest with respect to inclined plane is

    A
    `g sqrt(x^2 -1)`
    B
    `(gsqrt(x^2 - 1))/(x)`
    C
    `(gx)/(sqrt(x^2 - 1))`
    D
    `(g)/(sqrt(x^2 - 1))`

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