Case1: If you place an empty chair on the ground and drag it to a little distance across the floor.
Case 2: Now, ask you friend to sit on the chair and try to drag the chair across the floor. Answer the following questions
Did you have to apply a similar force on the chair in both cases ? If not, in which case did you have to apply greater force? Why do you think this happend?

Explanation

### Step-by-Step Solution:

1. **Understanding the Scenario**:
- In Case 1, you drag an empty chair across the floor.
- In Case 2, your friend sits on the chair, and you try to drag it again.

2. **Analyzing the Forces**:
- When dragging the empty chair, the only force you need to overcome is the friction between the chair and the floor.
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