Question

In physics, a ___ is a group of related objects that interact with each other and form a complex whole.

Answer 1

For example, the nucleus of the atom and the atom itself

Answer 2

Answer:

In physics, a system is a group of related objects that interact with each other and form a complex whole.

Explanation:

What is a system?

1. A mechanism working collectively with some set of things.

2. It is an interconnecting network.

3. Other than things it can be a set of principles followed or maybe some procedures.

4. It is a whole of complex.

Basically, it is a form of interaction of different entities which forms a complex unified whole.

Or in more general way things collective working of elements to to carry out a common purpose.