1. This answer was edited.

    We don’t have any documented proof about a condition when an unstoppable force charged with infinite energy meets an immovable object which is not charged with boundless energy.  In fact, this is a hypothetical case of science. This is more so as we don’t have records of this situation or case everRead more

    We don’t have any documented proof about a condition when an unstoppable force charged with infinite energy meets an immovable object which is not charged with boundless energy. 

    In fact, this is a hypothetical case of science. This is more so as we don’t have records of this situation or case ever happening. In other words, it has never happened.

    Immovable Object 5e Means

    A stationary, unyielding force or object. I was sitting in the car, immobile and alone, as I watched her walk away.

    An unstoppable force meets an immovable object

    On examining the velocity or speed of an object, we find that there is nothing that cannot be stopped or made to stop due to circumstantial conditions. As a result, when such an object hits an immovable object, its speed or velocity comes to an end. 

    When a bullet is fired, this object stops losing its velocity or speed on hitting an immovable object be it a wall or tree. The immovable item, when hit by an unstoppable force, does not change its position or location. 

    For all practical purposes, we can say this is an academic subject relating to velocity or speed. But in reality, there is no unstoppable force that cannot be stopped with physical counter-force. Hence, this is a hypothesis. 

    What happens when an unstoppable force meets an immovable object?

    Totally paradoxical in nature, the skepticism is raised on the scientific ground that nothing practically can be unstoppable. Hence, the issue of an immovable object being hit by an unstoppable force just does not arise, at all. 

    In fact, the basic doubt about the veracity of this arises out of the fact that how an object can be unstoppable? Even if the object is excessively powerful, charged by infinite electricity or power or force, it would stop when it hit an immovable object. 

    In such a case, that unstoppable will lose its strength or speed on hitting or colliding with an object which is stationary or standing in one position, say a mountain, a tree or a house. The speed of the object will end in such a case of collision. 

    Unstoppable force: A hypothesis of Science

    Here the aspect of the mere hypothesis of an object being unstoppable due to its inherent force comes to light. As a theory of science, it seems improbable. This is more so as we don’t have any recorded example of it.  

    Till now, we find all objects moving at a tremendous speed lose its velocity on hitting an immovable object. This is more an academic issue to study velocity in its real perspective than a reality.  

    The primary reason for it, as explained above, is the fact that no object around the earth is unstoppable. Everything can stop when its inherent energy or electricity comes to an end. To exemplify, an aircraft or moving car would come to a stop when its fuel exhausts. When it collides with an immovable object, the movable object will destroy and come to an end with its speed getting zeroed.  

    This is the normal theory of all speeding objects. We don’t have any historical evidence to suggest that an unstoppable force (other than planets in the galaxy moving on their axis and orbit with tremendous force that cannot be stopped) ever existed in any man-made scientific form.

    In fact, an object is made to move or acquire speed or motion with the addition of external force, power or pull. But the force will lose its intensity if the movement of the external force or pull is stopped. It will no more be a moving object with speed. Subsequently, the question of an object being unstoppable does arise at all. 

    In Conclusion:

    To conclude, we can say velocity depends on external force. It is this external force that adds speed to an object. But this object cannot move eternally. Its speed will come to an end once the external assistance like fuel in the case of cars is exhausted. Hence, this is a purely hypothetical issue that hardly has any answer with scientific base.

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  2. The amount of space an object takes up is called its volume. Every matter has a mass and a volume. Every matter can be in four states only: Plasma, gas, liquid and solid. When something is in a solid state, it comes with a certain shape and volume. The volume refers to the amount of space that an obRead more

    The amount of space an object takes up is called its volume. Every matter has a mass and a volume. Every matter can be in four states only: Plasma, gas, liquid and solid. When something is in a solid state, it comes with a certain shape and volume.

    The volume refers to the amount of space that an object occupies in it. Various matters in solid state are chair, table, bed, wood, and pen. But when you place a liquid on a table or chair, it flows down without assuming or taking any shape. That is why liquid usually takes the place of a container in which you pour it down. Thus, liquid has a certain volume but it tends to appear in an indefinite size and shape. 

    Similarly, if an object is in its gaseous state, it won’t have a definite volume or shape. Thus, gas occupies a volume but it doesn’t come with a definite shape. 

    How can you define the states of matter in water?

    Water is one of those omnipresent substances that come with all states of matter. Ice is in its solid state, water appears in its liquid form, and steam appears in its gaseous form. Solids come with a definite shape and volume, while liquid particles are tied together, and gas particles remain dispersed inside a container. 

    The volume of a liquid is measured in liters. When you want to measure the volume of a three-dimensional substance or solid, measure it in m3 or cubic meter. 

    How to Measure the volume of liquids, solids, and gases?

    In the case of gases in a container, the volume of a gas is equal to the internal volume of the container. You have to measure liquids in containers, in which the volume takes up the internal shape of the container. 

    Volume Vs Mass: What You Should Know About Them?

    Volume and mass are two different things. Volume refers to the space occupied by a substance while mass is the amount of matter contained in an object. 

    When it comes to a container, volume is the capacity that it can retain. It has nothing to do with the amount of space in it. The standardized unit of volume is m³. Using the SI unit, you can easily calculate the volume of a substance or liquid. 

    As per the metric system, 1 litre is equal to 0.001 metres3 

    What is the amount of space an object takes up?

    The correct answer is volume. A volume is the standard measurement technique through which you can calculate the amount of space an object takes up. The easiest way to calculate the volume of an object is by using the following formula:

    Length x Breadth x Height. 

    Any matter that you can touch, see, and hold is an object. They have a mass and a volume.

    Can you calculate the volume of air?

    If the room has a definite shape, you can calculate the volume of air using the following formula: 

    Volume = length × width × height (LBH) 

    Suppose, if the length is 4.0-m, breadth is 3.5 m, and height is 2.0 

    The volume will be = 4.0 x 3.5 x 2.0 = 28 

    In Conclusion:

    Thus, the amount of space an object takes up is its volume. So whenever you wish to know the amount of space a particular object takes up, you have to calculate its volume. The standardized unit of volume, which is universally recognized, is cubic meter or m3. 

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  3. Mass is defined as the amount or quantity of matter in an object or body. Every object that has a weight needs to necessarily have a mass. Both living and nonliving things can have a mass. A table, desk, computer, pencil, and cricket bat has a mass.  It is the intrinsic nature of a mass, which makesRead more

    Mass is defined as the amount or quantity of matter in an object or body. Every object that has a weight needs to necessarily have a mass. Both living and nonliving things can have a mass. A table, desk, computer, pencil, and cricket bat has a mass. 

    It is the intrinsic nature of a mass, which makes a particular object light or heavy. 

    How to find the mass of an object in Physics?

    In Physics, mass refers to the intrinsic weight of matter in an object. The SI Unit of mass is kg or kilogram. 

    Mass = Density (D) x Volume (V)

    The most interesting aspect of mass is its consistency. The value of a mass remains constant all the time. It remains the same even in times of war, famine, earthquake, and change in geographical location. 

    The SI unit of mass is called Kg or Kilogram, pounds, lbs, etc. You can convert every unit of mass to other units with a conversion trick. Mass measures how a body reacts to acceleration.

    How to find the mass of an object formula?

    You can trace the amount of mass in an object using these ways:

    Mass = Density * Volume (m= ρV) ——— (i)

    Mass = Force/ Acceleration (m= F÷A) —– (ii)

    The acceleration of any object is directly related to the proportional force applied to it. Similarly, the amount of acceleration that is applied to a constant force remains proportional to the mass. 

    Mass = Weight / Gravitational Acceleration (M= W÷G) —– (iii)

    Weight refers to the product of mass and gravitational acceleration. You can use any of the above formulae to find a mass of a given object. 

    What does the mass of an object measure?

    The SI unit of a mass is KG. The mass of all objects is measured in Kg. The density of an object is calculated using the Greek letter ρ, which means mass per unit volume.

    Even water has a mass and density. According to a scientific estimate, one cubic meter of water will have a mass of 977 kg. Similarly, we can also estimate the mass of any object if we know its volume and density.

    For example, how much mass does 0.6m3 of water has?

    We can solve it as follows:

    Mass = D – Density * V – Volume

    Here; Mass = 0.6 * 977 = 586 kg. 

    You can solve other problems relating to finding out mass in a similar manner.

    A neutron star also has a mass with a heavy density. An iota of a neutron star may have a few tonnes of mass equal to 100+ times of the earth.

    How does Mass and Weight Vary?

    Many people and students often get confused when it comes to mass and weight. But both of them denote two different things. However, many people still use them interchangeably—which is not right.

    The mass of an object doesn’t transform its location from one side to the other. On the contrary, weight refers to the gravitational field in relation to a particular object or body. The gravitational field differs from object to object. 

    Moon has a low gravitational field than the earth. So, obviously, the weight of an object varies from place to place. An object weighing 100-Kg here would weigh much less on the moon. That’s how the gravitational field matters.

    In Conclusion:

    Great scientist Albert Einstein proved that both mass and energy are two different things using the formula ‘E=MC2.’

    Here, E refers to energy while M denotes mass. And C is equal to the speed of light. C is equal to 299792458 m/s (3*10^8 m/s) in vacuum. 

    The above theory shows that even a small amount of mass has an overwhelming quantum of energy. Thus, it demonstrated how mass and weights are two different things and shouldn’t be used interchangeably.

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  4. Many people question what will happen if an immovable object meets an unstoppable force? But before we attempt to answer this question, we must understand that there is no immovable object as such in this entire universe.  By immovable object, we can refer to a house or a residential complex. Still,Read more

    Many people question what will happen if an immovable object meets an unstoppable force? But before we attempt to answer this question, we must understand that there is no immovable object as such in this entire universe. 

    By immovable object, we can refer to a house or a residential complex. Still, it can move. The same happens when an airplane rides but you don’t feel moving. 

    According to the law of inertia in Physics, immovable objects move. You can’t move an immovable object by force and it can be called un-acceleratable. 

    According to Newton’s second law, an object’s pace of acceleration is equal to total force divided by mass. The formula for it is F=MA

    Usually, F/M = 0. In other words, when the total force is too heavy still you get the same result. 

    At the same time, you must know that an object, which can’t accelerate may or may not move. It just implies that you can’t alter its speed of movement. 

    What is the difference between the Unstoppable force vs Immovable object?

    Forces in any matter are caused by photons and gluons. When these particles interact with the force, it can lead to alteration in its momentum.   

    We know that electrons don’t counteract with gluons. If you take an example, light can be an unstoppable force with its own speed and momentum. The unstoppable force doesn’t refer to electromagnetism alone, it means you can’t stop or modify its velocity. Thus, an unstoppable force is a moving object whose speed you can’t change and such an object won’t accelerate. 

    So what will be the result when an unstoppable force meets an immovable object?

    The answer and explanation is not so naïve. Unstoppable force would move forward in a different path in accordance to Newton’s third law of motion. 

    What is the difference between the Immovable object vs unstoppable force?

    Delving deep into the topic, we have another prevalent concept ‘Contradiction.’ It revolves around the two different elements of spear and shield. The concept has its origin from ancient Japanese and Chinese folklore, which is based on a merchant’s sales strategy. 

    According to folklore, a merchant sold spears, which could demolish any shield. And he also sold shields that could resist any spear attack. 

    When customers questioned him about this contradictory sales strategy, he couldn’t give any logical reason. 

    What is the difference between the Unstoppable object vs immovable force?

    Every time such a topic comes to the fore, it makes you a bit philosophical while analyzing it. Because there is no clear-cut scientific explanation to it. 

    An unstoppable force according to one’s imagination can be something so huge like a Tsunami or earthquake, which can destroy or destruct everything around it. Its energy is likely to be non-alterable as it passes from multiple objects and structures. It should have infinite energy and power with gravitational force. But the reality is that an immovable object may not change its place even after the use of such unstoppable or vehement force. 

    What is the difference between the Immovable force vs Unstoppable object?

    Unstoppable force needs to encompass all sorts of energy. If you need unstoppable force to drive away an immovable object, you need to have the complete weight of the planet and all energies included in it. Ultimately, no energy would be left.

    We can explain it with the help of a following example: 

    Suppose you are sleeping. Obviously, nobody would consider you moving. But if the same observer or person now travels in a rocket, they can see you move even when you are showing no body movement. 

    The Final Conclusion:

    After analyzing all vital aspects of unstoppable force and immovable objects, we can conclude that immovable objects will definitely move by adding external force to it. Acceleration is always equal to force getting divided by Mass. (Formula: Acceleration = Force / Mass). 

    Thus, unaccelerated objects possess a massive mass. Actually, the unstoppable force and the immovable object are similar to each other. However, still the question persists what will happen when an immovable object clashes with an unstoppable force? Let us know your thoughts and ideas on this article. If you have any opinion or ideas, share now. 

    We can safely conclude that such a scenario would never arise. There is nothing called unstoppable force as such. However, a blackhole, which is exactly in the universe, has massive energy and unstoppable force. As far as immovable objects are considered, you can say ancient historical monuments are immovable properties. Though both would never collide against each other, even if such a scene arises, then the direction of the force would get altered.

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  5. You will observe questions like find the position of the final image of the 1.0-cm-tall object in subjects such as Physics and science. You have to understand the question description properly first before attempting to solve the same. We have to solve it as per the Physics formulae that we use forRead more

    You will observe questions like find the position of the final image of the 1.0-cm-tall object in subjects such as Physics and science. You have to understand the question description properly first before attempting to solve the same.

    We have to solve it as per the Physics formulae that we use for while calculating values of mirror or lens.  

    Physics formulae that we use for while calculating values of mirror or lens

    (Image Source: https://www.physicsforums.com/threads/double-lens-system-converging-diverging.805553/)

    Solved: Find the position of the final image of the 1.0-cm-tall object (Using Formula)

    As per the question, (f)= focal length, (di)= distance

    Height= 1-cm, 

    f1 = 5-cm, 

    do = 4-cm 

    f2 = -8-cm 

    L = 12-cm 

    di = ?

    You have to put the values as follows:

    1/f = 1/ di ——————— Equation (i)

    Here, we have to find the value of di first of the 1st lens.

    Substitution the values of each digit in equation – (i), we get the following figure:

    1/5 = ¼ (0.25) + 1/ di

    By solving the above equation, we get di (distance) = -20-cm (Because it is located to the left side of 1st lens)

    Now, adding the distance between lenses, we have to go through the same formula for the 2nd lens as well.

    Here, 20 + 12 = 32-Cm.

    Now, using the same formula, we can put values as follows:

    1/ -8 = 1/32 + 1/di

    If you calculate the equation, you will get di= -6.4-cm. 

    Thus, the final image distance is -6.4-cm located to the left of the 2nd lens. 

    When we use magnification formula, -V1/ u1 * -V2/ u2

    = (20/4) x (6.4/32)

    = 1

    Image Height= M X Height of the Object

    = 1*1 = 1-Cm Ans

    It means the image so formed will be erect.

    How to Find the position of the final image of the 2.0-cm-tall object.

    Reference: A 2.0-cm tall object is positioned 40-cm away from a diverging lens with a focal length of 15 cm. Find the position and size of the image.

    If we go by the above formula, we have to calculate it as follows:

    1/f = 1/ di —————– equation (ii)

    We know that Concave Lens = Diverging Lens

    Here, Focal Length= 15-Cm

    The distance of the object from the lens= 40-cm

    Height of the object= 2.0-cm

    We have to find the position of the image along with its height of the object. 

    Going by the lens formula, we know:

    1/V – 1/U = 1/F

    By putting the values in above formula, we get the following:

    1/V – 1/ -40 = 1/ -15

    1/V = -1/5 – 1/40

    1/V= -11/120

    V= 10.9-Cm is the answer

    It means the image distance from the lens will be 10.9-cm. The use of negative sign before the distance means it will be formed to the left side or behind the lens. 

    For further analysis, we can also use magnification formula as here: 

    M = V/ U = h’/ h

    Putting the values in their respective positions, we get;

    -10.9/-40 = h’/2

    Solving the above sum; we get

    H’= 10.9/20 = 0.54-Cm

    It means the height of the image is + 0.54. And the image thus obtained will be erect and virtual. 

    Thus, the image distance from the lens is 10.90 cm, and the negative sign implies that it is formed behind the lens (on the left side).

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