Can a sailboat be propelled by air blown at the sails from a fan attached to the boat ?

Explanation

To determine whether a sailboat can be propelled by air blown at its sails from a fan attached to the boat, we can analyze the situation using the principles of physics, particularly focusing on the concepts of forces and motion.

### Step-by-Step Solution:

1. **Understanding the System**:
- We have a sailboat with a fan attached to it. The fan blows air towards the sails of the boat.

2. **Identifying Forces**:
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