A porter lifts a suitcase weighing 20 kg from the platform and puts it on his head 2.0 m above the platform. Calculate the work done by the porter on the suitcase.

Explanation

To calculate the work done by the porter on the suitcase, we can follow these steps:

### Step 1: Identify the Given Data
- Mass of the suitcase (m) = 20 kg
- Height lifted (h) = 2.0 m
- Acceleration due to gravity (g) = 9.8 m/s²

### Step 2: Calculate the Weight of the Suitcase
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