DOUBT

[Bhai iss question mai r = mv\/qb aa hi rha tha toh mujhe lga r is directly prop to m fir isne momentum lelia aur root m krdia, Why is that? Why is r directly prop to m not applicable acc to the eqn](https://preview.redd.it/v8c8xozixxae1.png?width=1920&format=png&auto=webp&s=5405607b6b8ed5183efe6bf5f1961aca15ab2220)