Norman is working on a class project in which he needs a high grade because the class is required for his major. the others in his group are aware of that and also know that norman is an excellent student. norman finds the others are depending on him to do most of the work. the others in norman's group are demonstrating

The others in Norman's group are demonstrating social loafing.
The other students are depending on Norman too much because they know he will work hard because he needs this class for his major. Instead of trying to help him do the project and pass this subject, they are letting him do all the work while they are just 'loafing' around waiting for it to be done.