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The frictional force in the belts always acts ____________ to the surface of the application of the friction.

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in Engineering Mechanics by (701k points)
The frictional force in the belts always acts ____________ to the surface of the application of the friction.

(a) Tangential

(b) Perpendicular

(c) Parallel

(d) Normal

The question was asked during an interview.

Origin of the question is Frictional Forces on Flat Belts in portion Friction of Engineering Mechanics

1 Answer

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Right choice is (a) Tangential

For explanation: The friction is the phenomena that defines that there is a resistance which is present there between the two surfaces. This friction is applied tangentially to the surfaces in contact. Thus the main thing is that the forces on both of the surfaces act as a tangential to each other.

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