the weight of a book on an inclined plane can be resolved into two vector components, one along the plane, and the other perpendicular to it. A) what angle are the components equal B) at what angle is the parallel component equal to zero? C) At what angle is the parallel component equal to the weight?
closed as too localized by dmckee♦ Oct 30 '12 at 3:43
This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, see the FAQ.