Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Experimental plan. Notes: DO: disc is placed between applied force and sensor; DS: disc is placed between sensor and contacting object; DOS: one disc is placed between the applied force and sensor and another disc is placed between sensor and contacting object.
