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Types and Examples of Inertia - Inertia | 10th Science : Chapter 1 : Laws of Motion

Chapter: 10th Science : Chapter 1 : Laws of Motion

Inertia

The inherent property of a body to resist any change in its state of rest or the state of uniform motion, unless it is influenced upon by an external unbalanced force, is known as ‘inertia’.

INERTIA

While you are travelling in a bus or in a car, when a sudden brake is applied, the upper part of your body leans in the forward direction. Similarly, when the vehicle suddenly is move forward from rest, you lean backward. This is due to, any body would like to continue to be in its state of rest or the state of motion. This is known as ‘inertia’.

The inherent property of a body to resist any change in its state of rest or the state of uniform motion, unless it is influenced upon by an external unbalanced force, is known as ‘inertia’.

In activity described above, the inertia of the coin keeps it in the state of rest when the cardboard moves. Then, when the cardboard has moved, the coin falls into the tumbler due to gravity. This happen due to ‘inertia of rest’.

 

1. Types of Inertia

a) Inertia of rest: The resistance of a body to change its state of rest is called inertia of rest.

b) Inertia of motion: The resistance of a body to change its state of motion is called inertia of motion.

c) Inertia of direction: The resistance of a body to change its direction of motion is called inertia of direction.


 

2. Examples of Inertia

An athlete runs some distance before jumping. Because, this will help him jump longer and higher. (Inertia of motion)

When you make a sharp turn while driving a car, you tend to lean sideways, (Inertia of direction).

When you vigorously shake the branches of a tree, some of the leaves and fruits are detached and they fall down, (Inertia of rest).


 

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10th Science : Chapter 1 : Laws of Motion : Inertia | Types and Examples of Inertia


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