Have you ever observed why a moving ball on the ground stops after some time?

Explanation

### Step-by-Step Solution:

1. **Observation of the Ball's Motion**: When a ball is rolled on the ground, it moves forward for a certain distance before coming to a stop.

2. **Understanding Friction**: Friction is a force that opposes the motion of an object. It acts between two surfaces in contact—in this case, between the ball and the ground.

3. **Direction of Forces**: As the ball moves forward, friction acts in the opposite direction to the motion of the ball. If the ball is moving to the right, the frictional force acts to the left.

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