Question

state law of friction. define angle of repose and angle of banking

Answer 1

Explanation:

Angle of repose is defined as the minimum angle made by an inclined plane with the horizontal such that an object placed on the inclined surface just begins to slide.

The angle of repose or angle of sliding α is defined as the minimum angle of inclination of a plane. with the horizontal such that a body placed on the plane just begins to slide down. Its value depends on the material and nature of the surface in contact.

The occurrence of lifting the outer border of the curved road over the inner border is to give necessary combining force to the vehicles to take a guarded turn and the curved road is termed as Banking of Roads.

Answer 2

Answer:

There are five laws of friction and they are:

• The friction of the moving object is proportional and perpendicular to the normal force.
• The friction experienced by the object is dependent on the nature of the surface it is in contact with.
• Friction is independent of the area of contact as long as there is an area of contact.
• Kinetic friction is independent of velocity.
• The coefficient of static friction is greater than the coefficient of kinetic friction.

The angle of repose:-

It is the minimum angle that an inclined plane makes with the horizontal when a body placed on it just begins to slide down.

The angle of banking can be defined as the angle at which any vehicle becomes inclined around its longitudinal axis with respect to the horizontal.

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