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.
Swai fish costs only about $2 per pound, but itâs much costlier when you consider what it could be doing to your health. Swai fish is a type of white fish with a mild flavor and flaky texture. Itâs a freshwater fish thatâs native to Vietnamese rivers and a type of catfish. Itâs also called Vietnamese catfish, basa fish and iridescent shark, but itâs neither a basa nor a type of shark.