where a c {\displaystyle a_{c}} is the centripetal acceleration. The direction of the force is toward the center of the circle in which the object is moving, or the osculating circle (the circle that best fits the local path of the object, if the path is not circular).
The assassination of Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife Sophie, Duchess of Hohenberg, occurred on 28 June 1914 in Sarajevo when they were shot dead by Gavrilo Princip.
Best Answer: Though Gavrilo Princip killed Franz Ferdinand, he was just a pawn in a huge assasination plan by the Black Hand, a Serbian freedom fighter group, who hoped to eliminate the Archduke due to the fact that the Archduke planned to give concessions to the South Slavs, therefore making a unified Greater Serbia more difficult to obtain.