Questions & Answers about Лёгкий рюкзак не мешает мне гулять в парке.
In Russian, adjectives agree with the noun in gender, number, and case.
- Рюкзак is a masculine, singular noun in the nominative case (it is the grammatical subject of the sentence).
- The basic (nominative, masculine, singular) form of the adjective is лёгкий.
So:
- masculine nominative: лёгкий рюкзак
- feminine nominative: лёгкая сумка (a light bag)
- neuter nominative: лёгкое пальто (a light coat)
- plural nominative: лёгкие рюкзаки (light backpacks)
We use лёгкий here because we have a masculine, singular, nominative noun (рюкзак) as the subject of the sentence.