Adverse frictional forces also exist. In fact, some frictional forces can actually be detrimental. Forces in physics are not only beneficial.
In physics, frictional force is a type of force that has many benefits. Even in everyday life you can find frictional forces all around.
This frictional force actually acts on an object to slow down the work of the object. In many cases, the presence of friction is very useful.
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However, friction can actually cause losses. What are the losses due to this frictional force?
Adverse Frictional Forces in Life
It seems that most people are familiar with this type of style. Even from elementary school, there is friction material.
In physics, frictional force is a force that acts on an object when the object is shifting or trying to move.
This frictional force also occurs due to friction between the two surfaces of the object. In general, friction can make objects stop, but they can also make objects move.
When starting from the Wikipedia page, friction is a force that has the opposite direction to the motion of an object or the tendency of an object to move.
Friction will arise when two surfaces touch each other. In this case, the objects that touch each other do not have to be solid, but can also be in the form of liquid to gas.
Indeed, this frictional force has many benefits in life. However, there are several types of friction that are detrimental. Here’s an explanation!
Friction of Engine Parts and Clutches
When driving, we really need friction to apply braking. However, there is also frictional force which is detrimental when driving, which occurs in the engine and clutch parts.
When the car is moving, the engine and clutch will rub against each other and produce excess heat. This will make both quickly damaged due to wear and tear.
To overcome this, usually car engines and clutches are given oil so that their surfaces are separated from each other. This is also the same as the door and window hinges at home
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You will need to grease the window and door hinges so that the surfaces they touch are not damaged and they can move easily.
Car Tire Friction Force and Road Surface
Another example of detrimental friction is between a car tire and the road surface. If the two rub together continuously, the car tires will thin quickly.
Friction can also hinder the movement of the car. To overcome this, it is necessary to have a layer of asphalt on the road surface. This asphalt layer will reduce the amount of friction force on the tires, so they can go faster.
Making Difficult Objects Move on the Floor
Have you ever tried to move heavy objects like tables or cabinets at home? Moving these objects requires a lot of energy.
The frictional force that occurs on the surface of an object that is flat on the floor makes the object unable to move easily.
The way to overcome this detrimental frictional force is to give wheels to objects with a flat surface. Thus, the object will be much easier to move.
Friction of Train Wheels with Steel Rails
The train wheels that run on steel rails will create a very large frictional force. This will prevent the train from moving at high speed.
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Physicists are currently researching the middle of a superconductor as the answer, that is, a material that has no electrical resistance below a certain temperature value.
This superconductor can reject the existence of a magnet so that the magnet can be lifted. Now the product is present in the magnetic shell, namely Maglev.
Large frictional force can actually be detrimental as well. The greater the frictional force, the object that is on a surface will also be more difficult to move.
Even though it gives losses, there is always a way out behind it. Now the detrimental friction has been overcome so that it does not interfere with life anymore. (R10/HR-Online)
This post was last modified on Maret 29, 2023 4:54 AM
