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1) Prevent things from moving past each other (while touching)

2) create heat

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12y ago

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Two surfaces that are not moving past each other have what?

Two surfaces that are not moving past each other are in a state of static friction. This means that there is a force acting between them preventing any relative motion.


What are two sources of friction?

Not sure if you mean 2 types of friction. Two types of friction can be just friction with the ground, and air friction such as drag on any vehicle, or any type of flying machine. Other objects can have air friction too, but not as much as something moving at a higher rate of speed.


What has a force of friction?

Basically, any two surfaces in contact.


State two advantages of direct rule and three disadvantage of direct rule?

Two advantages 1. Recognition of traditional chief 22


Is there a relation between inertia and friction?

Inertia and friction are related in the sense that friction opposes the motion of an object due to inertia. Inertia is the tendency of an object to resist changes in its state of motion, while friction is the force that opposes the relative motion of two surfaces in contact. The presence of friction can affect an object's motion by counteracting its inertia and slowing it down.


State two advantages of chassis earth return system?

ur mem


Is solid a type of friction?

No, solid is not a type of friction. Friction is a force that opposes motion between two objects in contact with each other. Solids are a state of matter, characterized by having a fixed shape and volume.


Give a long introduction of friction and its types?

the four types of friction are static friction,sliding friction,rolling friction,and fluid friction Static friction is friction between two solid objects that are not moving relative to each other. Fluid friction is with any kind of liquid or glass. sliding friction is when a surface slides on another surface. Rolling friction is when you are moving with wheels.


State two advantages of a triac as compared to an SCR?

triac act as a ac contactor


State two advantages of a permanent magnet type starter motor?

Size and weight


What are the 2kinds of friction?

The two types of friction are static friction and kinetic friction. Static friction occurs when two surfaces are at rest relative to each other, while kinetic friction occurs when two surfaces are in motion relative to each other.


Friction between two flats surfaces can be divided into two categories what are the two most common kinds of friction?

The friction felt between two flat surfaces can either be sliding friction or static friction.