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).
Smithsonian Institution Building, The Castle. The Smithsonian Institution Building, popularly known as the Castle, was designed by architect James Renwick, Jr. The building is constructed of red sandstone from Seneca Creek, Maryland, in the Norman style (a 12th-century combination of late Romanesque and early Gothic motifs). When it was completed in 1855, it sat on an isolated piece of land cut off from downtown Washington, DC, by a canal.