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1.Sliding friction.
- It helpes in moving of an body
Eg:- moving car
Rolling friction
- It stops the body and acts against the force
Eg:- Rolling ball stops after some time
2. Advantage
It helps in maintaing balance of the body
It helps in moving of the objects
Dis advantages
It causes the lose of energy
It reduces the mechanical advantages of the machine
3.Relationship
It helps in moving of the object.
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