When an automobile travels for a long distance the air pressure in the tyres increases. Why ?

Explanation

To understand why the air pressure in automobile tires increases when traveling for a long distance, we can break down the explanation into several steps:

### Step-by-Step Solution:

1. **Understanding Tire Functionality**:
- Tires are filled with air, which behaves like a gas. The pressure of this gas is influenced by its temperature.

2. **Friction Between Tires and Road**:
...