Rachel Pulls her 18 KG suitcase at at a constant speed by pulling on a handle that makes and angle (theta) with the Horizontal the frictional force of the suitcase is 27 N and Rachel exerts a 43 N force on the handle
What angle does the handle make with the horizontal?

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  1. The movement of the suitcase is afected only by the hor. component of
    the force exerted by Rachel:

    X = hor. = 43*cosA = 27,
    cosA = 27/43 = 0.6279,
    A = 51.1 Deg.

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