Two labourers are loading boxes onto identical trucks. One labourer slides the boxes up a ramp that is 1 metre long. Another labourer uses a ramp that is 2 metres long. Who uses more force? Explain.

Explanation

To determine which labourer uses more force while loading boxes onto identical trucks using ramps of different lengths, we can analyze the situation using the principles of simple machines.

### Step-by-Step Solution:

1. **Understand the Setup**:
- There are two labourers. One uses a ramp that is 1 meter long, and the other uses a ramp that is 2 meters long. Both ramps lead to the same height (H) of the truck.

2. **Identify the Height**:
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