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Physics

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a 215-N box is placed on an inclined plane that makes a 35.0 degree angle with the horizontel. Find the component of the weight force parallel to the plane's surface. can someone explain how to find the answer to this problem?

  • Physics -

    The weight force is directed down.
    the component of weight directed down the slope is the weight times the cosine of the angle between straight down and the direction parallel to the slope. That angle is (90-35) or 55 degrees
    So we have 215 cos 55 = 215 sin 35

  • Physics -

    90

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