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).
In April 2009, the Smithsonian chose the Freelon Adjaye Bond/SmithGroup as the architectural team to design the National Museum of African American History and Culture. The selection was made among six architectural firms that entered a design competition in January 2009.