For example, if a person pulls on a rope with a force of 80 n and another person pulls on the same rope in the opposite direction with a force of 80 n, the vector sum of the two forces is zero and the system is in equilibrium.
The Most Expensive Fish in the World bluefin tuna. The most expensive fish that was caught off the coast of northern Japan, was among 570 put up for auction. Japan is the worldâs biggest consumer of seafood, with Japanese eating 80% of the Atlantic and Pacific bluefins caught. The two tuna species are the most sought after by sushi-lovers.
Japan: Worldâs Most Expensive Fish Sold for $1.8 Million. A 222-kilogram bluefin tuna was sold at Tokyo's Tsukiji market for an all-time high of 155.4 million yen, or 1.8 million dollars. An employee holds the head of the 222 kg bluefin tuna outside Tsukiji fish market in Tokyo January 5, 2013. Related.