What Is The Strongest Friction?

By Antonia Čirjak on June 16 2020 in Answer

There is friction between your shoes and the ground you walk on, otherwise, you would be sliding without control.
There is friction between your shoes and the ground you walk on, otherwise, you would be sliding without control.
  • Friction is the force that happens during the contact between objects; it is a force that opposes the relative motion of various surfaces that slide against each other.
  • Static friction happens between your shoes and the floor you are walking on. Without it, it would be really difficult to walk in a line or stop slipping.
  • Friction is necessary to slow and prevent various motions in our daily lives.

Friction is the force that happens during the contact between objects; it is a force that opposes the relative motion of various surfaces that slide against each other. Once you learn about friction, you will start to notice this phenomenon everywhere around you.

There is friction between your shoes and the ground you walk on, otherwise, you would be sliding without control. It is because of friction that we can stop our car, rub our hands to produce warmth, or even light a matchstick. However, different types of friction happen, and some of them are stronger than the other. 

The Various Types Of Friction And How They Work

There are various types of friction but we will be explaining the 4 main types of friction.

First, we have static friction and this is the friction that occurs when an object is resting on a solid surface and is the strongest. Get up, put on your shoes, and walk around your room. Why? That is static friction, and it happening between your shoes and the floor you are walking on. Without it, it would be really difficult to walk in a line or stop slipping. This is what happens when you walk on ice without ice skates if you have ever experienced that sensation. Ice does not provide the same amount of friction, and thus would make your walking very difficult.

Next, there is sliding friction, and this type of friction occurs when two objects are sliding against each other. Think about writing on a piece of paper with a pen; the pen slides with ease but there is an amount of friction happening that enables the pen to leave a mark on the paper.

There are various types of friction
There are various types of friction.

Similarly, rolling friction happens when an object is rolling over a surface, like a ball or a wheel. Kicking a ball will result in the ball rolling on the ground for a certain distance but the rolling friction will resist it and slow it down. This friction is weaker than sliding friction.

Finally, there is fluid friction, and as its name suggests, it acts on objects that are in contact with fluid, like gas or liquid. This friction is the resistance you feel on your body when you try to move your limbs underwater.

Out of all the 4 types of frictions, the static friction is the strongest.

Why Do We Need Friction In Our Lives?

Friction is necessary to slow and prevent various motions in our daily lives. Without it, we would not be able to walk properly because friction holds our shoe on the ground. We would not be able to write, stop our bike or car, or construct buildings.

However, sometimes we will want to reduce the friction that is happening. We will use a lubricant like oil to mend the friction inside the parts of a car engine or use devices like ball bearings to change the type of sliding friction. In short, life would not exist without friction.

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