Question

The coefficient of friction between two surfaces is 0.2 . Tha angle of friction is

Answer 1

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Answer 2

Answer: 11.3°

An effective way in finding out the frictional force between 2 objects is to slightly tilt them to a  particular angle. When they are in perfect horizontal or vertical positions, they do not have any frictions between them .

Only when they are slightly tilted they make a friction to come to action and also The angle of friction is directly related to the coefficient of friction between 2 surfaces.

                                      tanƟ = µs.

Where ,

                                    Ɵ = $tan^{-1} (0.2)$= 11.3°