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

Answer» <html><body><p></p>Solution :MKS unit of work `("kg m"^(2))/(s^(2))` .It is also known as <a href="https://interviewquestions.tuteehub.com/tag/joule-526299" style="font-weight:bold;" target="_blank" title="Click to know more about JOULE">JOULE</a> . <br/> 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 . " <br/> ` :.1 "Joule " = 1 Nm = (1 " kg m"^(2))/(s^(2))`<br/> <a href="https://interviewquestions.tuteehub.com/tag/cgs-415525" style="font-weight:bold;" target="_blank" title="Click to know more about CGS">CGS</a> unit of work is `(" g cm"^(2))/(s^(2))` .It alsoknown as <a href="https://interviewquestions.tuteehub.com/tag/erg-446447" style="font-weight:bold;" target="_blank" title="Click to know more about ERG">ERG</a> .<br/> Erg: Work daone is saidto beone erg . " When a force of one day <a href="https://interviewquestions.tuteehub.com/tag/dyne-961313" style="font-weight:bold;" target="_blank" title="Click to know more about DYNE">DYNE</a> actuallymoves a body through a distanceof one cm inthe direction of <a href="https://interviewquestions.tuteehub.com/tag/appliedforce-2438302" style="font-weight:bold;" target="_blank" title="Click to know more about APPLIEDFORCE">APPLIEDFORCE</a> ". <br/> ` :. 1 "er = 1 dyne cm = 1 " ("g cm"^(2))/(s^(2))`<br/> SI unit of work is Joule (J) : J = Ns<br/> Dimensional formulaof work is`[M^(1)L^(2)T^(-2)]` [ Joule = `10^(7)`erg]<br/> Some practical units of work /energy shown in table (in Joule ) <br/> <img src="https://doubtnut-static.s.llnwi.net/static/physics_images/KPK_AIO_PHY_XI_P1_C06_E01_016_S01.png" width="80%"/></body></html>


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