The standard kilogram is in the shape of a circular cylinder with its height equal to its dimager. Show that, for a circular cylinder of fixed volume, this equality gives the smallest surface area, thus minimizing the effects of surface contamination and wear.(adsbygoogle = window.adsbygoogle || []).push({});

Now some of you might have seen this problem in Fundamentals of Physics Extended Fifth Edition. Please give me some hints.

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Standard kilogram physics help

**Physics Forums | Science Articles, Homework Help, Discussion**