Question

What is a physical or mental representation of an object or an event

Answer 1

that would be called a model

Answer 2

Model

Step-by-step explanation:

The physical or mental representation of an object or an event is a model.

When we want to represent our idea, we have to show visualization the idea using a model figure, so that the people understand what it is and how it works.

For example, if we want to create a thermal power plant, we have to create a model first and show how it works.