Define following Limiting friction, Angle of repose .
Kinetic friction, Rolling friction
,Friction.
Answers
Answer:
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Explanation:
Limiting friction-The maximum friction that can be generated between two static surfaces in contact with each other. Once a force applied to the two surfaces exceeds the limiting friction, motion will occur. For two dry surfaces, the limiting friction is a product of the normal reaction force and the coefficient of limiting friction.
Angle of repose-the steepest angle at which a sloping surface formed of loose material is stable
Kinetic friction-Kinetic friction is defined as a force that acts between moving surfaces. A body moving on the surface experiences a force in the opposite direction of its movement. The magnitude of the force will depend on the coefficient of kinetic friction between the two material.
Rolling friction-For a moving solid body, there are two principal types of friction that act upon it:
The force resisting the motion of a rolling body on a surface is known as rolling friction or rolling resistance. Rolling of ball or wheel on the ground is an example of Rolling friction.
The other type of friction is sliding friction. In this type of friction, there is a restriction on the body’s movement as only one side of the body is in contact with the surface. Pushing a box across the table is an example of Sliding friction.
Rolling friction is considerably weaker than sliding friction.
Friction-the resistance that one surface or object encounters when moving over another.