badgaljustice badgaljustice

16-09-2020
Physics

contestada

Which of the following is the best definition of a closed system?

A system in which there a no internal energy changes

A system in which Newton's Laws are valid

A system in which there are no external forces

A system in which the law of conservation of momentum is not valid

Respuesta :

alexisusa alexisusa

24-09-2020

The answer is either

b A system in which Newton's Laws are valid

or

c A system in which there are no external forces.

Explanation:

not a, and not d

There are energy changes in a closed system.

A closed system obeys the conservation laws in its physical description.

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