How are the following derived units related to the fundamental units ?
(a) newton (b) watt
(c) joule (d) pascal.
Name the physical quantities related to the following units :
(a) km2 (b) newton (c) joule
(d) pascal (e) watt
The commercial unit of energy is :
(a) watt
(b) watt-hour
(c) kilowatt-hour
(d) kilo-joule