like every manufacturer, must become accustomed to a higher cost of doing business in America. While we wait, Apple’s stock is down sharply — economic gravity in action.

And company insiders worry that Apple, despite its years of gravity-defying profits, is hamstrung by the political infighting, penny pinching and talent drain that often bedevil large companies ...

So, I know if I let drop this apple,it will fall because of ... (also called drag), and gravity. You can return to this example after watching other videos in the Show Me the Science series.