Pressure is force over area. So assuming your cube is at rest and on earth, then the force is mass x gravity and the pressure is mass x gravity / area.
A string quartet is made up of four musicians playing two violins, a viola, and a cello. These are all string instruments played either by plucking the strings or using a bow. The violins are the smallest and typically play the higher notes. The viola and cello are larger instruments and play the lower notes.
The string quartet is one of the most prominent chamber ensembles in classical music, with most major composers, from the mid to late 18th century onwards, writing string quartets.ome quartets play together for many years in ensembles which may be named after the first violinist (e.g. the Takacs TakÃ¡cs), quartet a (composer.e. g The Borodin) quartet or a (location.e. g The Budapest). Quartet-well known string quartets can be found in the list of string quartet. ensembles