Article 54: The President of India is elected by an Electoral College and...
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- Friction is a kind of force that opposes relative motion.
- It comes into existence at the common boundary of two bodies in contact with one another, when one of them either moves or tends to move relative to the other.
- Frictional force can adjust itself as much as required to exactly neutralise the effect of the increasing force, up to a limit. This maximum opposing frictional force is called the limiting force.