Name the type of simple pulley that can act as a force multiplier.

Explanation

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the type of simple pulley that can act as a force multiplier.

2. **Identifying the Type of Pulley**: The type of pulley that can act as a force multiplier is a **single movable pulley**.

3. **Explaining the Single Movable Pulley**:
- A single movable pulley is one that moves with the load it is lifting.
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