The SI System

Introduction

The SI system, or the Metric System, is commonly used in physics. It is important for you to get familiar with it at the beginning of your physics journey. 

Basic information

So, where are we? 

America Goes Metric 

"the U.S. is the only industrialized nation that has yet to widely convert to the metric system. In fact, our refusal to convert our own measurements dates back to the very creation of the country" (CNBC)

Metric Conversion Act of 1975

National Metric Week

"Each year, the week containing 10 October — the tenth day of the tenth month — is National Metric Week" (USMA)