Wind does not help in the movement of which of the following?

Options

A. Firki
B. Weather cock
C. Ceiling fan
D. Sailing yacht

Answer

To solve the question "Wind does not help in the movement of which of the following?", we will analyze each of the options provided.

### Step-by-Step Solution:

1. **Understand the Question**: We need to identify which option does not rely on wind for its movement.

2. **Evaluate Option A - Firki**:
- A Firki is a toy that spins when wind blows against it.
- **Conclusion**: Wind helps in the movement of Firki.

3. **Evaluate Option B - Weather Cock**:
- A weather cock is a device that indicates the direction of the wind.
- It moves due to the wind pressure acting on it.
- **Conclusion**: Wind helps in the movement of the weather cock.

4. **Evaluate Option C - Ceiling Fan**:
- A ceiling fan is powered by electricity and does not rely on wind for its operation.
- It moves when switched on, regardless of wind.
- **Conclusion**: Wind does not help in the movement of the ceiling fan.

5. **Evaluate Option D - Sailing Yacht**:
- A sailing yacht uses sails that catch the wind to move across water.
- **Conclusion**: Wind helps in the movement of the sailing yacht.

6. **Final Conclusion**:
- The option where wind does not help in movement is **Option C - Ceiling Fan**.

### Final Answer:
Wind does not help in the movement of the **Ceiling Fan** (Option C).

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