Why is an empty shampoo bottle so easy to knock over?

Why is an empty shampoo bottle so easy to knock over?

Why is an empty shampoo bottle so easy to knock over? Watch this video on YouTube. Jerome Licini is a professor at Lehigh University. He and one of his students…

Jerome Licini is a professor at Lehigh University. He and one of his students developed an apparatus to demonstrate why empty shampoo bottles tip over so easily. The reason: empty bottles have much less mass than full bottles, and their center of gravity is higher so they are basically begging to fall over at the slightest touch.