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.
The shot that sparked World War One. 1  Archduke Franz Ferdinand and wife Sophie shot dead in their car by Gavrilo Princip on 28 June 1914 in Sarajevo. 2  Princip one of seven members of Mlada Bosna (Young Bosnia), a Bosnian Serb terrorist organisation who want independence from Austria-Hungary. Archduke Franz Ferdinand and wife Sophie shot dead in their car by Gavrilo Princip on 28 June 1914 in Sarajevo.