A body experiencing uniform circular motion requires a centripetal force, towards the axis as shown, to maintain its circular path. In the case of an object that is swinging around on the end of a rope in a horizontal plane, the centripetal force on the object is supplied by the tension of the rope.
The museumâs architect and project designer is the Canadian Douglas Cardinal (Blackfoot); its design architects are GBQC Architects of Philadelphia and architect Johnpaul Jones (Cherokee/Choctaw).
The Gateway Arch, designed by Finnish-born, American-educated architect Eero Saarinen, was erected to commemorate President Thomas Jeffersonâs Louisiana Purchase of 1803 and to celebrate St. Louisâ central role in the rapid westward expansion that followed.