You lift a chair that weighs 30 N to a height of 0.8 m and cauy it 20 m across the hall. How much work is done by you on the chair ?

Explanation

To calculate the work done by you on the chair, we need to consider two components: the vertical lift of the chair and the horizontal movement of the chair.

### Step-by-Step Solution:

1. **Identify the Forces Involved**:
- The weight of the chair (force due to gravity) is given as 30 N.
- The vertical displacement (height lifted) is 0.8 m.

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