11:{"metadata":[["$","title","0",{"children":"Define System and Isolated system?"}],["$","meta","1",{"name":"description","content":"Class 9 FBISE Physics - Dynamics - Define System and Isolated system?"}],["$","meta","2",{"name":"author","content":"Editor"}],["$","link","3",{"rel":"manifest","href":"https://classnotes.xyz/site.webmanifest","crossOrigin":"$undefined"}],["$","meta","4",{"name":"keywords","content":"Physics, Dynamics"}],["$","meta","5",{"name":"creator","content":"classnotes"}],["$","meta","6",{"name":"robots","content":"index,follow"}],["$","meta","7",{"name":"application/ld+json","content":"{\"@context\":\"https://schema.org\",\"@type\":\"QAPage\",\"mainEntity\":{\"@type\":\"Question\",\"name\":\"

Define System and Isolated system?

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System:

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A system is a group of bodies within certain boundaries.

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Isolated system:

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An isolated system is a group of interacting bodies on which no external force is acting. The momentum of an isolated system is always conserved. This is the Law of Conservation of Momentum.

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