What is inertia?

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Inertia can be defined in three ways:
  • the apparent resistance to force
  • the resistance of an object to a change in its motion (or lack thereof)
  • the tendency of an object at rest to stay at rest, and for an object in motion to remain in motion.

These are all really saying the same thing. An object with mass requires force
to change its motion, or to start moving from a stationary position. Once the
force is applied, the object will move at a constant velocity until affected by
another force. Inertia is proportional to the mass of any object - the greater
the mass, the greater its inertia.

Two Examples
The inertia of an object resists a change in its motion. That is why seat belts
are used in cars. When the car turns, your body is still trying to continue in
the original direction. If the car suddenly stops, your body still wants to
continue forward.
Inertia also tries to keep a stationary object stationary. If you have to push a
broken-down car from the road, there is a tendency to resist this movement.
And a heavier car is harder to push than a lighter car, even with the same
Inertia is the tendency of an object at rest to remain at rest until some force
acts to move it; also, the tendency of a moving object to continue moving
until something acts to stop it.

Inertia is the property of all matter by which it remains in constant, uniform
motion until acted upon by an external force.
Inertia is a measure of mass.
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What is inertia of rest?

Inertia is the characteristic of matter by which a body at rest remains at rest, and a moving body remains in motion, until/unless some unbalanced force acts upon the body.. Inertia of rest is the famous demonstration of inertia, usually involving a dining table covered with a cloth and set with dishes, etc. A quick pull, and the cloth can be removed from the table with the settings intact and in close to the same positions as before. The inertia of the dishes keeps them where they are.

What does 'inertia' mean?

Answer . inertia: a mass which resists change in its motion So that a planet doesnt run into the middle of the sun and burn and if earth did, we would melt because we would crash into the middle of the sun . Inertia - resistance to change in motion. . In other words, inertia is the tendency for a body at rest to remain at rest, and for a body in motion to remain in motion unless acted on by an outside force.

What is a inertia?

There is no "A inertia." Its just inertia and inertia is the measure of an objects to stay at rest or to keep moving.

What is inertia at rest?

the inherent property of a body by a virtue of which it can't change its position of rest is called inertia at rest

What is an inertia switch?

When they started using fuel injection in cars, they found that if a car was in an accident, that as long as the key was on, the fuel would continue pumping. The last thing you would want would be for gas to be spraying all over a car with wires sparking, and hot engine parts, and even a fire. So, they came up with an inertia switch. When it senses a strong enough bump, it shuts off the fuel pump. I'm not sure what the different car companies put them. Some had reset switches. I think some were even in the glove compartment, but I know Ford and Mercury had them in the trunk where you could reset them fairly easy. My brother had a Mercury Sable that blew a tire once. That was enough to trip the inertia switch and shut down the car.

Can you feel inertia?

No, you cannot feel inertia. Just like you can't feel gravity. In fact, most of the forces of the Earth cannot be felt.

Inertia at rest?

when we sit in the bus and suddehly bus start the person recive a back ward jerk

What is Inertia at motion?

Apparent or perceived resistance to acceleration in a frictionless environment. Force= mass x acceleration, so you need a greater force for a greater mass to get a given acceleration. This effect is often called inertia.

What is the definition of inertia?

Inertia in its simplest terms is that a n object at rest tends to stay at rest, and an object in motion tends to stay in motion , until a force is applied to change this. Inertia is the resistance of a mass or object to changes in its motion, i.e. to being pulled or pushed. Force must be applied to begin or change motion, and the apparent resistance is called inertia. This stems from the fact that the result of a force is proportional to the mass acted upon. (This is separate from friction, which can also oppose motion.) Metaphorically, inertia means a slow or delayed response caused by the considerations or logistics that it would require (e.g. "The new construction was delayed by inertia in the planning council.").

What is an inertia?

inertia is force of matter. It's the force to go forward. For example, earth rotates around the sun. with out inertia, earth would not go around the sun. It would go straight into the sun, because of gravity. Also, it is like throwing a ball. without Inertia, the ball would just fall to the ground, not go forward.

Is inertia a force?

Put simply, inertia is the measure of an object's reluctance to change its state of motion. The object's state of motion may be stationary or flying through space at 20,000 km/hr. The unit for measuring inertia in the SI is the same as for mass: the Kilogram. Inertia (mass) can be expected to increase when an object is traveling at relativistic (near the speed of light) speeds. Supervisor's note: The following answer is looking for a clear-headed makeover. Inertia is NOT a force because Inertia just is the resistance to change in motion. An object's inertia never changes. Here is something to think about so you can answer the question yourself... If you slide a pencil on the floor away from any object that could block it the pencil still stops. Do you think it is because gravity or inertia did it? No. The thing is inertia is just like the Law of conservation. All objects,energy, etc. follow it but inertia is not A FORCE that stops a car when it hits a wall. It is an outside force like friction which is what stoped the pencil from countinuing to slide on the ground. An object's inertia can change but not it's amount, because there is no amount of inertia because like i said before inertia is like a law, all objects have inertia (meaning they all follow the rule of inertia) If there were no other outside force like gravity and friction then when we could not accelarate and there would be no inertia. I know this paragraph makes no sence but to me this is how i look at inertia. As a law or property of matter and not a force. One last thing to think about. Does inertia change anything... if so write a disscusion and tell me what you think it changes and if a car crashes DID INERTIA CAUSE THAT...

16 What is inertia?

Inertia is the tendency of an object in motion to stay in motion until acted upon by a force.

Inertia in a sentence?

Inertia is, essentially, the body's resistance to change. Anexample sentence would be: Without inertia, we would be all overthe place.

What is the formula for inertia?

When studying physics it is important to remember formulas formovement. The formula for inertia is mass multiplied by velocity orF=ma.

Physics-what is inertia?

to push an object such as a broken down car in order to start or to move it to the side of the road.There is a tendency to resist the motion, such a tendency is called inertia-the more mass they have the greater their inertia.

Inertia is a measure of?

A body's ability to withstand a change in its state of motion. Mass. Inertia is not a measure. It is a concept. As the word itself tells you, it is 'tendency to be inert', i.e. tendency not to change. The inertia that you most commonly encounter is to do with acceleration. This inertia is mass. The next most commonly encountered inertia is thermal inertia. There are many other kinds of inertia as well. . Mass

What effects inertia?

What effects inertia is the object's MASS. Inertia is directly proportional to the Object's MASS

What is the unit of inertia?

Since inertia is represented numerically by an object's mass. Unit of inertia in S.I UNIT is Kilogram

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.

What is the deffinition for Inertia?

\na tendency to do nothing or to remain unchanged; Physics a property of matter by witch it continues in it's existing state of rest of uniform motion in a straight line, unless that state is changed by an external force; resistance to change in some other physical property

When do we use inertia?

Well, two examples of when we use or have inertia can be... A. You are in a car riding at a high speed. Then out of no where, you see a red light. You slam on the breaks. When this happens you jolt forward. You jolting forward is inertia. Inertia is the force that made you jolt forward. B. You are on your bike riding at a high speed. You make a left turn and see a car right in front of you. You (once again) slam on your breaks. This causes the bike to turn a bit and make a skid mark on the street. The friction between your bike tire and the street was caused by Inertia. So basically, we use alot of Inertia when we are riding on something, and then hit our brakes. That's why we wear a seat-belt in a car, and a helmet on a bike. Because sometimes, Inertia can pull us forward and we will fly-out of the window, or if on a bike, crack your head open. Remember. Basically, the definition of Inertia is, An object in motion wants to stay in motion, while an object at rest wants to stay at rest. Let me know if this helped at all by posting on my message board. Thanks!

Inertia is the property of?

Inertia is a property of matter in which an object resists a change in motion.

Is inertia in golf?

\nInertia is in everything. Inertia is just the fact that things resist a change in their motion. When a golf ball is on a tee it is at rest and wants to stay that way. So you need to apply a force to get it to move. It's all in Newton's first law of motion.

What is the mass of inertia?

Intertia isn't something, as in there is no mass to it. Inertia is when I object is moving it wont stop until something causes it.. Example: The eartch is moving because of inertia. There is no mass involved.

What is the principle of inertia?

The principle of inertia No force is required to maintain motion with constant velocity in a straight line, and absolute motion does not cause any observable physical effects.. In layman's terms: An object that is moving will keep moving until something stops it.

What is inertia used for?

Inertia is not really a tool to be used... Inertia is basically an object's resistance to being moved. It stems from Newton's 2nd law of motion, which states that the net force on an object is equal to it's mass multiplied by its acceleration. F net =ma. So, the larger the mass of the object, the more force is required to accelerate it. To actually answer the question completely, we have to consider every situation in which an object has a net force on it, and so you really can't do that because it happens every day, every where, on virtually everything. Consequently, I'll provide a couple of examples instead... Inertia is used for ice skating... Inertia is the reason that an ice skater can glide long distances across the ice without pushing off. This is because the friction force of the ice (which is trying to stop her) is not high enough to make her mass decelerate. Inertia is used to annoy shoppers pushing shopping carts... When you push the shopping cart, you apply a force to it. The heavier the cart, the harder it is to get moving. Inertia describes the reason a heavier cart is harder to move.

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.

What are inertia and gravity?

inertia is the inability of the matter to resist change. gravity is the force with which the earth pulls an object towards it's centre

What is inertia and what is the dimension of inertia?

inertia comes from the word iner , meaning lazy or idle. hence inertia is the tendency of a body to remain unchanged. it is also the tendency that opposes any change in the state of rest of a body or the state of uniform velocity in a straight line. dimension of inertia is [ML 0 T 0 ]

Is toast a inertia?

Yes. Toast is definitely "a inertia." (sic). In fact, anything on the earth's surface has inertia simply because the earth spins so fast.

How is inertia greater?

inertia becomes greater if the mass of the object is greater. inertia is directly proportional to the mass of the object.

Define what inertia is?

the property of matter by which it retains its state of rest or its velocity along a straight line so long as it is not acted upon by an external force

How do you calculate inertia?

Inertia is the resistance of any object (in a physical state) tochange pressed upon its current movement. It can be found by theFormula F=ma.F being force in relation to inertia, M being Mass, Ais Acceleration.

What is inertia of rest and inertia of motion?

Intertia is the tendency of an object to maintain its velocity: if an object is at rest, it has the tendency to remain at rest; if it is moving, the tendency is to keep moving with the same velocity. That is what happens if no forces act on the object; if forces act on the object, including gravitation, friction, and others, its velocity will change.

What has inertia?

Inertia is the resistance to changes in motion. Inertia is proportional to mass. Big masses resist changing their motion more than smaller masses. Every object remains in a state of rest or of uniform motion in a straight line unless acted upon by an outside force. Example: Objects at rest remain at rest unless acted on by a net force. . A lot of inertia! The large train resists changing its motion. . Very little inertia. The small baby carriage has very little resistance to changes in motion. . Since the train is so huge, it is difficult to change its speed. In fact, a large net force is required to change its speed or direction. . Since the baby carriage is so small, it is very easy to change its speed or direction. A small net force is required to change its speed or direction. .

What is the definaqtion of inertia?

Every body continues in its state of rest or uniform motion in a straight line, unless it is compelled to change by the forces impressed on it. ( Newton's first low of motion ).

Does speed have to do with inertia?

Yes. Inertia is what holds an object in motion from falling faster than the object falling at the same time. Say you have a brick and a feather. Which falls faster? Neither. You see, inertia contributes with the third law of motion, meaning an object at rest will stay at rest until a net zero force acts upon it. Meaning that inertia is that net zero force keeping that object at rest still. Now, if you dropped a brick off of the building at the same time as the feather, inertia would keep the brick from falling faster than the feather because of its speed. Gravity is pulling the object toward earth and inertia is holding it back. Same for the feather except theres less inertia because of the weight of the feather.More Speed= More inertia. Keep that in mind.

Which has the greatest inertia?

Inertia is basically proportional to mass. In fact, you can simply specify inertia in units of mass. (On Earth, the object with a larger mass will also have a larger weight.)

What is definition of inertia?

Inertia is the property of a body that makes it oppose any force that causes a change in motion.

What is inertia mass?

The property that a body has that resists motion if at rest, or resists speeding or slowing up, if in motion.

How inertia happen?

it is newton's first law.it states that every body which is at rest has the tendency to be at rest until any other force acts on it..for example. you are running in a straight line and until you reach the finish line you run and don't stop immediately but be in that state for about few seconds .this is inertia.

What is the answer of inertia?

Inertia is the tendancy of an object to stay in rest or in motion. Newtons 1st law was the law of inertia.

How do you describe inertia?

the tendency of a body at rest to remain at rest and of a body in motion to remain in motion

How can the inertia be destroyed?

Inertia can not be destroyed, because inertia is a form of energy and energy can not be created or destroyed it is changed into a different form of energy like light, heat, chemical, or physical energy.

What is inertia torque?

Inertia torque an imaginary torque, which when applied upon a rigid body, brings it in an equilibrium position. Its magnitude is equal to accelerating couple, but opposite in direction. T 1 = -Iα where I = mass moment of inertia of body and α = angular acceleration

Why does inertia exist?

Such a question is a philosophical one. Science is a matter of how things work. If a why question is answered, it is only secondary to a how.

What is the inertia of water?

Inertia deals with a bodies resistance to change its state of motion ( or stillness) Esentially , inertia = mass and 1 cu metre water = 1000 kilograms

What are facts about inertia?

1. Conceived by Isaac Newton. 2. Basic summary of Newton's First Law of Motion. 3.Is the resistance of any physical object to a change in its state of motion or rest Hope this helped.---WEG . no.

How does inertia change?

It changes when an external force acts upon it. In theory. But in fact 'Rest Mass' is the only valid measure of mass of an object. If it is in relative motion with respect to anything else, including an observer, then it can also be assigned "momentum," which is a relative concept. We habitually anthropocentrically assign momentum to things in motion with respect to 'us'. Consider also a gyroscope. It has momentum when it is spinning, so we say higher 'inertia'. We must eventually revert to the energy / mass relation; E=mc^2.

What can stop inertia?

Inertia is the natural tendency of objects to resist changes in their state of motion. The force of friction brings an object to rest.