The resistive or opposing force to be overcome by a machine is called the ____ .

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question:** The question asks for the term that describes the resistive or opposing force that a machine must overcome.

2. **Identifying the Concept:** In the context of simple machines, such as levers, the force that needs to be overcome to lift or move an object is crucial to the operation of the machine.

3. **Defining the Term:** The resistive force that a machine works against is commonly referred to as the "load."

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