Why can't you play a violin like a guitar?

You can't play a violin like a guitar primarily because of their different playing techniques and construction. The violin is played with a bow and requires precise finger placement on the fingerboard, while the guitar is strummed or plucked with fingers or a pick. Additionally, the violin's sound is produced through the bowing technique, which creates a continuous tone, whereas the guitar typically produces shorter, percussive notes. These fundamental differences in design and playing style make the two instruments inherently distinct.