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POLISHING : When we Polish a surface, it's roughness decreases. We've gone through some examples of friction already; we said that when there is a contact between the surface of the moving book and the desk, friction occurs. Share with your friends. When friction slows you down the energy is converted into heat energy, it is bad in some cases. Question 9 Why brake pads wear out gradually? Explain with 3 examples the disadvantages of friction Ask for details ; Follow Report by Klavanya1109 05.09.2018 Log in to add a comment Examples of Friction. 2. Heavy-duty clamping setup is required to hold the workpiece or job during the welding process. For example, a bicycle will eventually stop if it not cycled consistently. Disadvantages: a) Wear and tear of the tyres b) It opposes the smooth motion of the objects. Share 3. the disadvantages of friction are: 1.when 2 surfaces rub with each other heat is generated.this can be useful as well as disadvantage.for example,say a tailor is stitching clothes. The friction causes the damage to the most of the machines as it raises the temperature of the internal moving parts of the machines to more than a certain extent, So the machines are damaged, and a lot of money is wasted. 5 views. Without it, nothing around us can stay in place. Friction stir welding (FSW) is a solid state welding process. This external force is referred to as friction. Following are the examples of fluid friction: The flow of ink in pens; Swimming; Stay tuned with BYJU’S to learn more about other concepts of Physics with interactive videos. Explain with four examples that sometimes, force of friction is desirable. Friction makes welding possible, and without welding, we would not have a lot of very important things, like bridges, for example. It is commonly a type of friction welding but due to its versatile applications, it is considered as a separate welding process. Cars or other vehicles uses friction (Breaks) to stop the vehicle. (a) Slows down or stops the movement of objects A bigger force is needed to overcome the friction so that an object can move faster. Without friction we are handicap. 2. For example, when a ball is thrown it moves up till some distance and stops. It is becomes difficult to walk on a slippery road due to low friction. Question 8 State few disadvantages of friction? I'll give some of the pros and cons that we experience in our daily lives. Q-explain the advantages and disadvantages of views with examples ANS - Advantages: 1. Question 10 How friction reduces the efficiency of machines? When two surfaces move together and the resistance offered by these surfaces is called friction. This question has not been answered yet! Single plate and multi plate, centrifugal clutches and cone clutches are the examples of friction clutches. Examples of SLIDING FRICTION is pushing a heavy rock in your path, or moving a box on the floor. Share 1. 2. Disadvantages of positive engagement clutched. We can not fix nail in the wood or wall if there is no friction. The friction warms them up. Friction plays a vital role in our daily life. Login. friction, we could perhaps better state that: friction is the tangential force developing in a sliding junction and d epending on the state of sliding, which may also be cau sally related to the Liquids and gases are included in fluids. The ball is acted by an external force and it stops. Any device that has Any device that has Prezi Friction is defined as the resistance experienced by the surface or by an object when it is moved over the other. Answer: Advantages: a) Friction makes it easy to walk. Class-6 » Science. When there is a lot of friction between moving parts, energy is lost to the surroundings as heat. fayizarahimeen18 is waiting for your help. Explain, using examples, the different market entry strategies, including the advantages and disadvantages of each. A dry and a wet plastic, where the second has less friction than the first. b) Friction makes it easy to write . Question 6 Explain why soles of shoes wear out gradually? The surface becomes smooth and friction gets reduced. Extra friction makes it difficult to move an object, such as sliding a box across the floor or walking in deep snow. The section on Theory of Machines - Mechanisms includes a section on Friction both on flat surfaces and in Bearings. Advantages 1.Enable us to walk 2.Enable us to write 3.Enable to generate heat 4.Enable to sharpen sharp objects Disadvantages 1.Cause wear and tear 2.Generates unwanted heat Pros: friction provides a resistive force to the motion of objects. Q57. Friction is sometimes unhelpful. 1. New questions in Business. Here are some examples of static friction : A heavy box against the ground, difficult to lift and move. Limitations / Disadvantages: The hole which is made by the blunt probe tool is left unfilled at the time of exit. Don't worry! Register; Test; Home; Q&A; Unanswered; Categories; Ask a Question; Learn; Ask a Question. What is examples of friction? Friction toys that imitate the behaviour of force in the case of vehicles, but in a static way. That means more energy is needed to overcome the frictional force. explain the advantages and disadvantages of friction - Science - NCERT Solutions; Board Paper Solutions; Ask & Answer; School Talk; Login; GET APP; Login Create Account. For example when a racing car needs to go fast the friction against the air will end up slowing down the car which is of course useless because a race is all about who can go faster :). Examples of static friction. 1)Friction wears away the soles of our shoes. A nightstand resting on a light table. NOTE. advantages of friction is that you can walk without slipping everywhere and you can write on your paper. Large downward forces are required to get the probe tool get inserted inside the metal. Overview of the Advantages and Disadvantages of Friction are as follows so let us check it out some of the information one by one. The disadvantages of friction are as follows. Physics for Class XI, Explained Force of friction with examples. https://www.meritnation.com/ask-answer/question/advantages-and-disadvantages-of-friction/science/9564491 The advantages of frictional force are immense, think upon the activities that indulge in daily life. If you contemplate across this question then you will answer “nothing” Obviously if we compare advantage and disadvantages of friction then we will clearly say that thare are neither any friction lose nor disadvantages. Today we will learn about friction stir welding principle, working, application, advantages and disadvantages with its diagram. Kindly refer the link for similar query. Question 7 Why tyres of vehicles wear out gradually? Examples Of Fluid Friction. ← Prev Question Next Question → 0 votes . The heat induced by friction makes the parts that need to be joined together more malleable. if you want make the bicycle speed up, you have to cycle it faster. Your bike will be noisy and difficult to pedal. In friction clutches engagement between the shaft happens due to friction between them. For example, if you don't lubricate your bike regularly with oil, the friction in the chain and axles increases. Add your answer and earn points. explain the advantages and disadvantages of friction. Worked Examples are used to show the effects of Frictional Forces in Mechanisms. The disadvantage of the friction. Explain with examples the disadvantages of Friction.In about 60 words fast Share with your friends. Fluid friction is defined as the friction that exists between the layers of the fluid when they are moving relative to each other. Take walking, for example, one finds it extremely difficult to walk on a slippery road for it lacks friction. Let’s discuss the examples of friction in daily life. Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. What are the ways to decrease the friction force? State two advantages and two disadvantages of friction. Fluid friction is a type of friction which acts between the layers of a viscous fluid; these layers move relative to each other. When we move on ice, it becomes difficult to walk due to low friction of ice. Advantages and Disadvantages of Friction in Automobiles. We can write with pencil or pen on the paper on the board using friction. Many times this welding process is slower than many other processes. Some of the Advantages of Friction are: We can walk with the help of friction between our shoes and the ground. Explain why sportsman use shoes with spikes. The fact that you can walk without sliding is an example of friction. Without friction between the shoes and the ground, you cannot walk properly. Disadvantage: - Sometimes it can be a waste of energy. Methods of reducing friction are : 1. These are a few of the great many advantages and disadvantages of having friction in sport: Friction allows a running person to stop, change direction, jump, catch a ball, and throw a ball. Question 11 How friction damages the machine parts? Remember. Think of what happens when you rub your hands together quickly. If a company has a debt ratio of 50.1%, they are financing assets primarily with debt. So friction helps to keep objects stationary. Opinions do not stock information in a physical position. Therefore friction would be proportional to the area of contact, and therefore proportional to the normal pressure, as assumed in the above laws. Last, but definitely not least, friction is the reason we have discovered how to create fire. Used when speed difference between the shafts is low ; They cannot be used at high speeds because it may result in a shock; Friction clutches. disadvantages are that it requires more effort to get work done, and there is heat, and friction may also cause wear and tear. 1. When we walk on the road … We also sometimes rub the surface with a fine sand paper to reduce their unevenness. Walking. examples of forces are kicking a football, lifting a table. 10 examples of disadvantages and advantages of friction . There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact. You can check out similar questions with solutions below. 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