Explain the three types of friction giving examples for each
Answers
1. sliding friction= when the applied force is gradually increase then the force of friction is also increase at the same rate and the bodys remains stationary.
2. sliding friction= the Force of friction between the two surface in contact when one of them just slide over the another called sliding friction.
3. rolling friction= the force of friction existing between the two surface in contact when one of them just roll over the another called rolling friction.
ex. of rolling friction= wheels make the movement of luggage easy because they reduce friction.
ex.of sliding friction= a coaster sliding against a table.
ex. of static friction= hold a book against a wall by applying a force perpendicular to wall.
hope it help you mate✌️✌️✌️✨✨
Hello Dear Friend
✨Four Types of Friction✨
⏭️Friction is the force that opposes motion between any surfaces that are in contact. There are four types of friction: static, sliding, rolling, and fluid friction. Static, sliding, and rolling friction occur between solid surfaces. Fluid friction occurs in liquids and gases. All four types of friction are described below.
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✔️Static Friction
Static friction acts on objects when they are resting on a surface. For example, if you are hiking in the woods, there is static friction between your shoes and the trail each time you put down your foot (see Figure below). Without this static friction, your feet would slip out from under you, making it difficult to walk. In fact, that’s exactly what happens if you try to walk on ice. That’s because ice is very slippery and offers very little friction.
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Q: Can you think of other examples of static friction?
A: One example is the friction that helps the people climb the rock wall in the opening picture above. Static friction keeps their hands and feet from slipping.
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✔️Sliding Friction
Sliding friction is friction that acts on objects when they are sliding over a surface. Sliding friction is weaker than static friction.
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✔️Rolling Friction
Rolling friction is friction that acts on objects when they are rolling over a surface. Rolling friction is much weaker than sliding friction or static friction. This explains why most forms of ground transportation use wheels, including bicycles, cars, 4-wheelers, roller skates, scooters, and skateboards. Ball bearings are another use of rolling friction. You can see what they look like in the Figure below. They let parts of a wheel or other machine roll rather than slide over on another.
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❇️Everyday Examples of Sliding Friction❇️
⭕️Specific examples of sliding friction include:
⭕️Rubbing both hands together to create heat
⭕️A sled sliding across snow or ice
Skis sliding against snow
⭕️A person sliding down a slide is an example of sliding friction
⭕️A coaster sliding against a table
⭕️A washing machine pushed along a floor
⭕️An iron being pushed across material
⭕️The frame and the edge of door sliding against one another
⭕️The bottom of a trashcan sliding against the concrete
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