Name any two objects of common use that work due to friction

Explanation

### Step-by-Step Solution:

1. **Understanding Friction**: Friction is a force that opposes the relative motion of two surfaces in contact. It is essential for many everyday activities and objects to function properly.

2. **Identifying Common Objects**: We need to think of common objects that rely on friction to operate effectively.

3. **First Object - Pen or Pencil**:
- When we write with a pen or pencil, it relies on friction between the writing instrument and the paper.
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