Once a satellite achieves orbit, why does it stay there without any additional energy being used?

A - due to centripetal force
B - due to it's inertia
C - because of the reactive force
D- because of gravity
Is it A?

1 answer

agree

https://www.google.com/search?client=safari&rls=en&q=centripetal+force&ie=UTF-8&oe=UTF-8