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Chapter 4: Problem 3

We often use the term "inertia" to describe human sluggishness. How is this usage related to the meaning of "inertia" in physics?

Short Answer

Expert verified
In physics, 'inertia' refers to an object's resistance to a change in motion. In the human context, it's used to describe an individual's resistance to change their current state. This resistance to change, unless influenced by an external force, is the common link between these two contexts.

Step by step solution

01

Define Inertia in Physics

In physics, inertia is a principle stated by Newton’s First law of Motion. It refers to an object's inability to change its state of motion unless acted upon by an external force. This means an object at rest tends to stay at rest and an object in motion tends to stay in motion unless disturbed.
02

Discuss Inertia in Human Context

In human context, inertia defines an individual's tendency to remain in their current state. This can mean a reluctance to change habits, take action or to make a decision. Like an object, humans also tend to continue in their existing state unless propelled by some external factor or motivation.
03

Draw the Correlation

The term 'inertia' is used in a similar context in both cases. Just as physical objects resist change in their state of motion, humans also show resistance to changing their state, whether it's a physical state (like rest or motion) or a psychological state (like a habit or belief), unless influenced by an external force.

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