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What exactly is inertia?

Updated: 10/19/2022
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15y ago

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Inertia is the resistance of motion of an object. The more inertia, the harder it is to move something. The less inertia, the easier it is to move. Take a Bowling ball and a marble. The marble can be flicked by the finger, because it has less inertia. The bowling ball takes the entire hand because it has more inertia than the marble. According to Newton's laws, an object that is moving tends to continue in motion. A moving object has inertia as it has Mass and Velocity. An object that is not moving requires a Force exerted on the Mass to start it moving.

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Q: What exactly is inertia?
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Inertia is the resistance of an object to a change in its?

Inertia is directly proportional to an objects mass. Inertia is the desire of objects to continue doing exactly what they are doing. The greater the mass the greater the inertia.


Importance of moment of inertia in civil engineering?

It represents the strength against bending (but not exactly!)


A tractor trailer truck and a car are traveling at exactly the same speed and both drivers apply equal braking force at exactly the same moment Does the truck have greater inertia or less inertia?

All you need to know to answer this question is whether the truck is heavier than the car. Assuming this is true, yes, the truck does have a greater inertia. Inertia is related directly to mass, so because m_truck > m_car, inertia_truck > inertia_car. Generally, inertia refers to the ability to change the velocity of an object.


What does inertia do?

Inertia is the resistance of an object to change it state of rest or motion. when you are standing in a moving bus and it suddenly stops you tend to fall backward. This is due to inertia of motion. Body resists the change in motion due to which u fall backward. so inertia exactly opposes or resists your change in motion.


Does mass affect inertia?

inertia is the laziness of an object, or an objects resistance to change its state of motion, or how easy it is to start or stop an object. Mass is the measure of an object's inertia. Therefore with more mass, an object has more inertia.


Does a bowling ball on earth have more inertia than one on the moon?

No, a bowling ball (or any other object) has exactly the same inertial mass no matter where it is (its actual inertia will, of course, depend upon its velocity as well as its inertial mass). Weight changes on the moon, but inertia doesn't.


How does inertia work?

It is exactly the same as momentum and covered by Newton's first law of motion. Inertia is a way of expressing the force required to get an object to move from rest, or the force required to change the velocity or direction of an object in motion. Anything that has mass will have inertia - a "resistance to move or change velocity or direction of motion".


The scientist who discovered the laws of gravitation and inertia was?

I guess that would be Newton. Sir Isaac Newton exactly


What is polar moment of inertia of motor load system?

It is impossible to tell you exactly what the polar moment of inertia is for a motor load system just from your question. We would need to know the specifications of the motor load system to make that calculation.


What are the kinds of inertia?

There are actually 3 kinds of inertia. They are as follows : 1. Inertia of Rest 2. Inertia of Motion 3. Inertia of Direction But nowadays people consider that there are 2 kinds of inertia , inertia of rest and inertia of motion.


Where is the inertia switch on a Mazda mx5?

not exactly sure about mx5 but most are in trunk area under quarter or trunk latch area coverings


Is the mass of an object defined as the amount of substance in it?

Not exactly, as technically the mass of an object is a measure of its inertia, or resistance to change in state of motion or rest.