Two physics experts answer a bewildering shower thought on why shampoo bottles are so easy to topple.
STOCK PHOTO/Getty ImagesKnocking over a shampoo bottle is an annoyance most of us have experienced, especially when the bottle is almost empty and seems to fall at the slightest nudge.from The Physics Teacher, physicists knocked over shampoo bottles and showcased basic physics concepts such as center of mass and force of impact in a series of simple experiments.
An object with a lower center of mass is typically more difficult to tip over. This is the case when there is still enough shampoo left to weigh the bottle down. However, when a bottle of shampoo is nearly empty, the mass of the shampoo cap shifts the overall center of mass of the bottle to a higher position, making it less stable., Jerome Licini, a physicist from Lehigh University in Bethlehem, Pennsylvania, made a pendulum by suspending a tennis ball on a string.
Here, we share an infographic that illustrates their discoveries. Feel free to replicate these educational physics projects at home! This infographic, which explains the physics behind knocking over shampoo bottles, is based on research by Jerome Licini and Zijun Yuan. This infographic, which explains the physics behind knocking over shampoo bottles, is based on research by Jerome Licini and Zijun Yuan.is an editorially independent nonprofit print, electronic and video journalism news service owned and operated by the American Institute of Physics.
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