Physics

9th -

12thgrade

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Inclined Planes

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    A block slides down a frictionless inclined plane that makes an angle θ with the horizontal.

    Which of the expressions shown below expresses force which is parallel to the inclined surface?

    mg cos

    mg sin

    g

    2g

  • 2. Multiple Choice
    30 seconds
    1 pt
    Image

    The normal force equals

    mg cos

    mg sin

    g

    2g

  • 3. Multiple Choice
    1 minute
    1 pt

    A 25 N crate slides down a frictionless incline that is 25° above the horizontal. The magnitude of the normal force of the incline on the crate is:

    11 N

    23 N

    25 N

    100 N

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