Question

Стволам,лесу,лесных,часовой являются ли эти слова безударные гласные в корне

Answer 1

Are the words "стволам", "лесу", "лесных", "часовой" considered to have unstressed vowels in the root?

The words "стволам", "лесу", "лесных", and "часовой" are not considered to have unstressed vowels in the root. The stress in these words falls on the root syllable, and the vowels in the root syllables are stressed.

Unfortunately, I couldn't find specific search snippets to cite for this information. However, based on my knowledge of Russian grammar, the stress in these words falls on the root syllable, which means that the vowels in the root syllables are stressed.