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.
Today, fins are the most valuable part of a shark. The targeted shark-fin fisheries around the world are trading the fins of between 26 to 73 million sharks every year (according to a 2006 estimate) with a worth of $400-550 million. Driving this trade is the demand for and consumption of shark fin soup in Asia.