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Q: How does friction occur when two surfaces come in contact with each other?
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How does friction occur?

When surfaces opposing movement on each other.


What prevents surfaces in contact from sliding past each other?

Friction prevents surfaces in contact from sliding past each other. There are several types of friction including dry friction, fluid friction, lubricated friction, skin friction and internal friction.


Prevents surfaces in contact from sliding past each other?

Sliding friction prevents surfaces in contact from sliding past each other.


What is limiting value of 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.


What determines the amount of friction?

The roughness of the two objects coming in contact determines the degree of friction.


FRICTION?

The force that opposes relative motion btwn two surfaces in contact with each other


How does grease lubricate the surfaces it comes in contact with?

It allows contact parts to glide against each other with minimal friction.


Friction is a force that speed's up motion between two surfaces that are in contact?

no. it is the opposite. friction is the force that slows down things in motion in contact with each other.


That which slows the motion between two objects in contact with each other is defined as?

FRICTION .......... friction


What are the surfaces in the body where friction ridges are found?

All surfaces that come into contact with each other generate friction. The magnitude of the friction depends on the specific properties the two surfaces. General rule: smooth surface --> less friction. But this fails sometimes too.


What is friction?

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.


How friction reduces the efficiency of machines.?

one way to reduce friction between two surfaces is to add oil. oil fills in the gaps between surfaces , and keeps many of the high spots from making contact. because there are fewer contact points between the surfaces, the force of friction is reduced. more of the input work then is converted to output work by the machine.