Mention the MKS and GGS unit of work and define them and also write the dimensional formula of work .

Mention the MKS and GGS unit of work and define them and also write th

1.	Mention the MKS and GGS unit of work and define them and also write the dimensional formula of work .
Answer» Solution :MKS unit of work `("kg m"^(2))/(s^(2))` .It is also known as JOULE . Joule : Work done is said to be one joule, " When a force of one Newton actually moves a body through a distance of one metre in the direction of applied force . " ` :.1 "Joule " = 1 Nm = (1 " kg m"^(2))/(s^(2))` CGS unit of work is `(" g cm"^(2))/(s^(2))` .It alsoknown as ERG . Erg: Work daone is saidto beone erg . " When a force of one day DYNE actuallymoves a body through a distanceof one cm inthe direction of APPLIEDFORCE ". ` :. 1 "er = 1 dyne cm = 1 " ("g cm"^(2))/(s^(2))` SI unit of work is Joule (J) : J = Ns Dimensional formulaof work is`[M^(1)L^(2)T^(-2)]` [ Joule = `10^(7)`erg] Some practical units of work /energy shown in table (in Joule )