Question

1.pressure is the derived quantity why

Answer 1

Answer:

the unit of pressure is called derive because it is simply derived from base unit which is distance and a derived unit which is force ,which is derived from acceleration ,a derived unit as well,and mass , a base unit..

Answer 2

Any quantity that is not electric current ( A ), luminous intensity ( cd ), temperature ( K ), mass ( kg ), distance ( m ), amount ( mol ), or time ( s ) is a derived quantity.  

Therefore pressure ( Pa=kg/m∗s2 ) is a derived quantity.