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.
What is the largest freshwater fish in the world? The largest freshwater fish in the world is the endangered beluga sturgeon of Eastern Europe. With a lifespan of at least 118 years, beluga can grow up to thirty feet and weigâ¦h up to 6,000 pounds. This exceeds any record ever made of either the Mekong catfish or the arapaima of South America.