Lil Pac

hey dudes i hope its not too much trouble but i have a few questions that i don't know how to answer and was wondering if anyone could help; Draw graphs to show relationship between: a) FORCE and ACCELERATION for an object in circular motion b) MASS and DISTANCE for forces due to gravitation c) The PERIOD of orbit of a satellite and its ALTITUDE hope its not too much trouble, thankz for ur help Lil' Pac