What is the difference between SLIDING Friction and STATIC Friction ??
Answers
Answer:
Static friction-Is the friction exerted on an object at rest.
SLIDING FRICTION-IS the friction exerted when an object slides over a surface with a working fluid in between the two bodies.
Explanation:
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Definition :
Sliding friction is the friction which comes into play when the surface of one object moves relative to the surface of another object
Example :
In figure-1,
The book moves with respect to the floor. So, this friction is called sliding friction.
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Definition :
Static friction is the friction which comes into play when surfaces of the objects are at rest relative to each other even there is an external force acted upon.
Example :
In figure-2,
The block is at rest relative to the surface of the trolley up to a certain limiting acceleration. The friction exists at this stage is a static friction.
we observe that there exists two types of fictional force at a time. One is friction between surface of the table and trolley and the other is the statio friction that exists between the surface of trolley and wooden block kept on it.
![](https://hi-static.z-dn.net/files/de0/8fde0589266f4003d807201e71092298.jpg)
![](https://hi-static.z-dn.net/files/de0/a9fe8f1af1cae025e41d2f67e5f6b095.jpg)