What obligations and rights do police have as they interact with the public?

it depends of the country

Depends on the country

Explanation:

But in U.S.A. will, for the public:

You have the right to remain silent and to refuse to answer questions. Anything you do say can and will be used against you in a court of law. You have the right to an attorney and to have an attorney present when questioned.

answer; ok in rural area most people depend on private transportation(cars),pick up truck,donkey and buggy: ),and urban people can walk or ride public transportation,bus,train cab,uber.

i am not in high school so i don’t know