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please make clear that work done by the system is +ve or -ve..... in some books it is given +ve because work= and when system do work dV becomes +ve thus W is +ve. in some foreign authors it is given that work is a form of energy interaction & all the energy interactions coming into the system are +ve and going out are -ve. thus work done by the system is -ve.


please make clear that work done by the system is +ve or -ve.....


in some books it is given +ve  because work= and when system do work dV becomes +ve thus W is +ve.


in some foreign authors it is given that work is a form of energy interaction & all the energy interactions coming into the system are +ve and going out are -ve. thus work done by the system is -ve.


Grade:9

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