Does the friction depend on the smoothness of the surfaces?

Explanation

**Step-by-Step Solution:**

1. **Understanding Friction**: Friction is a force that opposes the relative motion between two surfaces in contact. It plays a crucial role in everyday activities, such as walking, driving, and holding objects.

2. **Factors Affecting Friction**: Friction depends on two main factors:
- The normal force (the force perpendicular to the surfaces in contact).
- The nature of the surfaces in contact (which includes their smoothness or roughness).

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