Top 9 Inertia of Rest Examples In Physics & Daily Life
Here are the top 9 inertia of rest examples In Physics and Everyday Life.
Book On Table
Basketball Lying on the ground
Unmoving Tree Branch
Dust particles in a woolen blanket
Rock on the ground
Roller In the lawn
Idle Toy Car
Motionless Playground Swing
While you might recall Newton’s first law of motion stating that objects at rest tend to stay at rest, we’re here to delve deeper and bring this principle to life through the inertia of rest examples in real life.
But before you read any further, it might be a good idea to briefly understand what inertia is and its types. It will help you to understand the examples better. If you are already familiar with the concept, you can skip it by clicking on the link below.
What is the law of inertia in physics?
In physics, inertia is a fundamental property of matter that describes an object’s resistance to a change in its state of motion. It is one of the key principles underlying Sir Isaac Newton’s laws of motion. Inertia is often summarized by the statement:
“An object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an external force.”
In simpler terms, if an object is stationary, it will remain stationary unless a force is applied to it. Similarly, if an object is moving, it will continue to move at a constant velocity in a straight line unless a force is applied to change its speed or direction.
Types of inertia with examples
Inertia can be categorized into three main types:
- Inertia of Rest: This refers to the tendency of an object to remain at rest when no external force is acting on it. In other words, an object at rest will stay at rest unless a force is applied to set it in motion.
Example: A book sitting on a table will not move on its own because it exhibits inertia of rest. It requires an external force, such as someone pushing it, to overcome this inertia and make it move.
- Inertia of Motion: This describes the tendency of an object in motion to remain in motion with the same speed and in the same direction unless acted upon by an external force. It is sometimes referred to as “inertia of motion” or simply “inertia.”
Example: If you roll a ball on a smooth, frictionless surface, it will continue rolling indefinitely in a straight line unless an external force, such as friction or your hand, acts upon it to slow it down or change its direction.
- Inertia of Direction: Inertia of direction is a concept related to an object’s tendency to resist changes in its direction of motion. This means that an object will continue moving in its current direction unless an external force is applied to change that direction.
Example: When you’re driving a car and suddenly make a sharp turn, you feel yourself being pushed to the side. This is because your body tends to continue moving in the direction it was initially going (inertia of motion), and the car’s rapid change in direction exerts a force on you (inertia of direction).
Now in this article, we will focus extensively on the inertia of rest examples. So let’s dive into our top 9 inertia of rest examples in physics & daily life.
I am sure that the concept of inertia of rest is clear to you now. If not, you can comment below. Let us now move on to 9 examples of inertia of rest in physics & in real life.
- Stationary Car:
When a car is parked and stationary, it remains still because of its inertia of rest. The car’s mass resists any change in motion, and it will only start moving when you apply force to the pedals or turn the ignition key to overcome this resistance.
- Book On Table:
A book lying on a table doesn’t spontaneously lift off or move across the table. Its pages and cover possess inertia of rest, meaning they tend to stay at rest unless someone intervenes by picking it up or pushing it.
- Basketball Lying on the ground:
If a basketball is left untouched on the basketball court, it will stay in the same position. The ball’s inertia of rest means it resists any attempt to move it without applying force, like a player dribbling or shooting it.
- Unmoving Tree Branch:
A tree branch hanging still in the breeze doesn’t sway on its own. It maintains its position due to its inertia of rest. It will only move if an external force, like the wind or someone grabbing it, acts upon it.
- Dust particles in a woolen blanket:
When you have a woolen blanket that has been lying undisturbed for some time, you may notice dust particles settled on it. These dust particles remain still on the surface of the blanket due to the concept of inertia of rest.
- Rock on the ground:
A rock on the ground remains stationary because of its inertia of rest. It doesn’t initiate motion by itself and requires an external force, such as someone pushing or forcing it, to start moving.
- Roller In the Lawn:
A large force is required to set up a stationary lawn roller into motion. Once it is set up in motion, only a small force is needed to continue it in motion.
- Idle Toy Car:
A toy car left undisturbed on the floor doesn’t spontaneously roll across the room. It exhibits inertia of rest, meaning it resists any change in its stationary state until someone pushes or pulls it to overcome this resistance.
- Motionless Playground Swing:
A swing at rest in a playground remains motionless until a child gives it a push. The swing’s inertia of rest means it resists any change in its stationary position until an external force, in this case, the child’s push, is applied to set it in motion.
References – Inertia of rest examples
- The Physics Classroom: Inertia
If you are interested in learning about inertia, it could be a valuable educational resource to explore. It is provided by the physics classroom.
|Inertia Of Motion Examples In Physics & Daily Life (7 Examples)|
|Inertia Of Direction Examples In Physics & Daily Life (4 Examples)|
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