Final answer:
Force.com represents the Model in the Model-View Controller paradigm as a standard or custom object.
Step-by-step explanation:
In the Model-View Controller (MVC) paradigm, the Model is responsible for managing the data and business logic.
In Force.com, the equivalent of the Model is represented by the standard or custom objects. These objects store and organize the data in the application.
The Controller in MVC is responsible for handling user input and updating the model and view accordingly. In Force.com, the Controller logic is implemented using Apex classes and triggers.
The View in MVC represents the presentation of the data to the user. In Force.com, the View is created using Visualforce pages or Lightning components which define how the data is displayed.