How heavy is a beer mug?
A traditional mug not only holds a lot of beer, it also has a lot of weight. It's hard to believe how heavy such a mug is. What is even more astonishing is that over 20 of these can be worn.
How heavy the glass is
- In order for the beer mug to hold a liter, it must be around 20 cm high and 10 cm in diameter. (V = (d / 2)2 x pi x h = 25 x 3.14 x 20 = 1.5 l) The difference of 0.5 l is caused by the area in which the foam of the beer is and the bottom made of glass.
- The bottoms of the jugs are quite thick, about 2 cm. That is, the bottom is made of Vfloor = 25 cm 2 x 3.14 x 3 cm = 235.5 cm3 Glass.
- You can imagine the walls of a beer mug as a rectangle with a width of U = 5 x 3.14 = 15.7 cm and a height of 20 cm. The glass is usually about 0.6 cm thick. So you have a cuboid of VWall = 15.7 cm x 20 cm x 0.6 cm = 188.4 cm3.
- So for a jug you need about 430 cm3 Glass, which usually has a density of 2.5 g / cm³. Such a jug has a mathematical weight of 1075 g. Would you have thought how heavy such an empty jug is? According to the manufacturer, the Oktoberfest beer mug weighs as much as 1.350 g.
What the full beer mug weighs
- If you use the beer mug with 1 l beer fill, so you have 1,000 cm3 Liquid in it. the density of beer is about 1.0091g / cm3. So the filling of the jug weighs 1,009.1 g.
- Together with the jug of 1.350 g, a filled beer mug weighs 2,359.1 g. Thus, a waitress at Oktoberfest carries around 2.3 kg per beer mug. 18 jugs are the norm for an experienced person, which means that they carry over 40 kg.
- The world record in Beer mugs is based on jugs that weigh 1.3 kg. It is 21 mugs. However, 10% of the beer may be spilled in these competitions. Nevertheless, the load weighed 48.3 kg at the start.
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