What is the difference between nm, mN, Nm ?

Explanation

To understand the differences between nm, mN, and Nm, we will break down each unit and its significance step by step.

### Step 1: Understanding nm (nanometer)
- **Definition**: nm stands for nanometer.
- **Value**: 1 nm = \(10^{-9}\) meters.
- **Usage**: It is a unit of length commonly used in fields like physics, chemistry, and biology to measure very small distances, such as atomic and molecular scales.

### Step 2: Understanding mN (milliNewton)
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