Item:Q5456: Difference between revisions

Created a new Item: axis of rotation, three-dimensional object always rotates around an imaginary line called a rotation axis. Purely rotational motion occurs if every particle in the body moves in a circle about a single line. This (straight) line is called the axis of rotation
 
Created claim: subclass of (P1): line (Q1361)
Property / subclass of
 
Property / subclass of: line / rank
 
Normal rank