Category talk:Simple machines

Upper category
I have changed the upper category from "physics" to "tools" and "machines", modeled on Wikipedia and for my common sense. --Daniel Polansky 09:38, 27 January 2008 (UTC)
 * Although the topic belongs to physics too. Let us see. --Daniel Polansky 09:39, 27 January 2008 (UTC)

Membership of "wheel"
I have removed "wheel", as Wikipedia says it is not a simple machine. --Daniel Polansky 09:42, 27 January 2008 (UTC)

RFD discussion: June 2017–May 2021
. --Barytonesis (talk) 00:44, 30 June 2017 (UTC)
 * Indeed, just like the category for the seven deadly sins. Delete. —Μετάknowledge discuss/deeds 04:27, 18 July 2017 (UTC)

Kept as widely used. It's also possibly a "complete" category, and we need more complete things around here Indian subcontinent (talk) 00:43, 21 May 2021 (UTC)