what is a radian? (animated gif)
Conical Pendulum: One animation ... or this one (both from GeoGebra)
Conical Pendulum with forces HKNG (must download and run the java file)
Vertical Circle (roller-coaster) Surandraneth
Satellite with CoM, forces, sun/earth/moon system from PHET
Gravitational F for 2-mass system (PHET)