The Boyfriend App
“I’ll be here. On the grassy knoll.”
Next, on the inclined broken line in the figure, what would be the hypotenuse of the triangle, he draws – with rather impressive skill – a paper plane in profile. Next, he puts a sort of crosshairs around it. All his lines and circles are perfect, as though he was using a ruler and a compass. He labels the four arrows converging on the plane as: L for “lift”, D for “drag”, G for “gravity” and T for “thrust”.