The SI unit of pressure is Pascal (represented as Pa) which is equal to one newton per square metre (N/m -2 or kg m -1 s -2). Interestingly, this name was given in 1971. Before that pressure in SI was measured in newtons per square metre.
Artist works are often used to document or commemorate an event or important person. Art can convey both emotion and facts. Wars, troublesome times, and great rulers are often remembered through art
