In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

[EX Q]: This quantity for an atomic nucleus is determined using Weizscker's [VAHYTS-zek-uhrs] formula. The no hair theorem states black holes are completely characterized by their angular momentum, charge, and this quantity. The oscillation period of a spring equals two pi times the square root of this quantity over the spring constant. The theoretical value of this quantity for gluons is zero. Linear momentum equals this quantity times velocity. For 10 points, name this quantity measured in kilograms.
[EX A]: Science

[EX Q]: The final ruler of this dynasty severed his daughter's arm in an attempt to kill his entire family during its final days. In one criminal case, this dynasty saw an expansion of the "Nine Exterminations" to also include the killing of friends as well as family members. The Cathedral of the Immaculate Conception was founded in this dynasty's capital by one of its advisors, Matteo Ricci. This dynasty dispatched the treasure ships of the admiral Zheng He and moved the empire's capital from Nanking. It was founded by a former leader of the Red Turban rebellion, the Hongwu Emperor. For 10 points, name this Chinese dynasty that made Beijing the capital, succeeded the Mongols, and was itself supplanted by the Manchus in the 1640's.
[EX A]: History

[EX Q]: His real name was Zahiruddin Muhammad. He succeeded his father as sovereign of Fergana and repeatedly tried to take Samarkand, the capital of his Timurid ancestors. He then focused his attention on India, where he won the Battle of Panipat with an army of 21,000 against an army of 100,000, then conquered much of northern India and established his capital at Agra. FTP, name this man, founder of the Mughal dynasty of India and whose name literally means "The Tiger".
[EX A]:
History