Centripetal forces on satellites in different orbits · CAP 2003 #15
Physics · mechanics
Problem
Two satellites of equal mass, A and B, are in concentric orbits around the Earth. The distance of B from Earth's centre is twice that of A. The ratio of the centripetal force acting on B to that acting on A is
(a) 1;
(b) 1/2;
(c) 1/2;
(d) 1/4.