Tag: You want to slowly push a stiff board across a 20 cm gap between two tabletops that are at the same height.

You want to slowly push a stiff board across a 20 cm gap between two tabletops that are at the same height. If you apply only a horizontal force, how long must the board be so that it doesn’t tilt down into the gap before reaching the other side? This is a conceptual problem. The board needs…