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Last updated on September 30th, 2019 at 03:30 pm
Friction is the force that resists the relative motion between two solid surfaces or sliding fluid layers. There are many Examples of Frictional Force in our day to day life. While it is desirable in some situations, in some cases, we try to reduce it as much as possible.
Below we mention some examples of such frictional force.
Examples of Frictional Force
- We can walk on the floor due to the frictional force. Did you notice how difficult it is to walk on the ice surface? This is because of the reduced frictional force between the ice surface and the sole of your shoes.
- Striking of match sticks. Here frictional force converts kinetic energy into heat energy. Again this is a useful example of frictional force.
- Skydivers use the parachute to reduce their velocity. This also works due to frictional force.
- We can write on paper due to the frictional force.
- In automobile brakes, we use frictional force to resist the turning of wheels.
- In the friction welding method, we use this force to join two metals.
- It is challenging to displace a large rock. The large mass of the rock results in substantial static friction between the rock and the surface underneath. This strongly opposes your push.
- Frictional forces between different movable parts of an automobile are not always desired. We use lubricants to reduce such forces.