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In the image, the vector F 1 is the force experienced by q 1, and the vector F 2 is the force experienced by q 2. When q 1 q 2 > 0 the forces are repulsive (as in the image) and when q 1 q 2 < 0 the forces are attractive (opposite to the image). The magnitude of the forces will always be equal.
In later times, Gregory VII became an exemplar of papal supremacy, and his memory was invoked both positively and negatively, reflecting later writers' attitude to the Catholic Church and the papacy. Beno of Santi Martino e Silvestro, who opposed Gregory VII in the Investiture Controversy, accused him of necromancy, cruelty, tyranny, and blasphemy.
Physics is the scientific study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. [1] Physics is one of the most fundamental scientific disciplines. [2] [3] [4] A scientist who specializes in the field of physics is called a physicist.
After the original VII Corps was deactivated in the summer of 1863, a second VII Corps was formed from troops in the Department of Arkansas. Most of its active service occurred during Steele's Arkansas Expedition. Commanders were: Frederick Steele 6 January 1864 – 22 December 1864; Joseph J. Reynolds 22 December 1864 – 1 August 1865