An engineer measures the weight of four different concrete blocks and the contact area of each block with the ground.
| Block | Weight (N\text{N}N) | Area (cm2\text{cm}^2cm2) |
|---|---|---|
| A | 120 | 30 |
| B | 180 | 60 |
| C | 240 | 120 |
| D | 300 | 100 |
Which block exerts the least pressure on the ground?
Block A
Block B
Block C
Block D