Final answer:
The net force is 35 N.
Step-by-step explanation:
The net force is the difference between the force applied by the reindeer and the frictional force. In this case, the force applied by the reindeer is 100 N and the frictional force is 65 N. To find the net force, we subtract the frictional force from the force applied by the reindeer:
Net force = Force applied by reindeer - Frictional force
Net force = 100 N - 65 N
Net force = 35 N
Therefore, the net force is 35 N.