Recent content by kuikaili

This makes so much more sense now. I hadn't consider "centripetal" as an adjective on its own which could be applied to different types of forces before. I always thought of "centripetal force" as a physical force, but it didn't makes sense. I really appreciate your help, Cepheid and Jedishrfu.

So, if we're isolating our system to just the Earth and satellite, it really is just gravity at work and gravity happens to be the centripetal force or force which is pulling toward the center of the orbit. Then, similarly, the tension force of a string, in the classic ball on a string moving...

A satellite is in a circular orbit around Earth at an altitude at which air resistance is negligile. Which one of the following statements is true? A. There is only one force acting on the satellite. B. There are two forces acting on the satellite and their resultant is 0. C. There are two...