Question

what is friction.name its effects

Answer 1

friction is the resistance to motion of one object moving relative to another.
Effects of friction :
1) It causes wear and tear is moving part of an objects and reduce
2)It often causes the movibg object to the heat up.
hope it's help you dear

Answer 2

Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.

effects
a. It opposes the motion of all objects.b. It counteracts the acceleration of an objectc. It prevents surfaces from sliding against each other.d. It causes objects to accelerate