Question

What simple machine is a ruler?

Answer 1

https://www.ketto.org/stories/helpsumit?utm_source=external_Ketto&utm_medium=google-display&utm_campaign=FT_Dubai_Desk_Static&utm_term=CAff_Bol&utm_content=helpsumit_Static_Eng-300x250&utm_placement=www.youtube.com&gclid=EAIaIQobChMI_ISmibma3gIVa6ZRCh2xTgCkEAEYASAAEgL9tvD_BwE

Answer 2

It's a inclined plane b/c inclined plane is a flat, sloped surface