what is the centripetal force?
a force that acts on a body moving in a circular path and is directed towards the centre around which the body is moving.
OA
Related Physics A Level answers
All answers ▸What is gravitational potential and how can gravitational potential energy be used to estimate the escape velocity of a planet of mass m and radius r?
What is the Photoelectric effect?
Using Newton's law of universal gravitation, show that T^2 is proportional to r^3 (where T is the orbital period of a planet around a star, and r is the distance between them).
Why does gravitational potential energy have a negative value?