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When objects are at rest on each other (i.e. static friction) their microscopic irregularities can settle into each other - and can also form electrostatic bonds.

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Q: Why the coefficient of static friction is greater thant the coefficient of kinetic friction?
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Related questions

Which coefficient of friction is greater static or kinetic?

static usully greater then kinetic


What is more sliding friction or static friction?

static friction is higher in most cases, if you're talking about the coefficient of static or kinetic friction


What is the force that keeps you from sliding on an icy sidewalk kinetic friction static friction?

coefficient kinetic


Which type of friction is usually greater static friction or kinetic friction?

Usually static.


Which form of friction is harder to overcome static or kinetic?

The static coef. of friction is greater than the kinetic coef. of friction.


Static friction is usually greater than?

kinetic friction


When a body slides over a surface the kinetic friction and static friction related as?

Kinetic friction is the friction that applies when an object is moving; static friction is the friction that applies when the object is not moving. Static friction must always be greater than, or equal to, kinetic friction.


How does the coefficient of static friction for two surfaces in contact compare to the coefficient of kinetic friction for the same two surfaces?

The coefficient of static friction is always larger because it takes more initial force to move an object that is at rest.


What is coeffitient of stactic n kinetic friction?

The coefficient of static or kinetic friction depends on the surfaces that are causing friction. The formula for it is: force of friction over normal force.


Is sliding friction greater than rolling friction?

Typically not. However rolling friction is somewhat of a myth. Rolling friction is actually caused by static friction. There are really only two types of friction: Static and Kinetic. That's it! Rolling friction is caused by static friction and the coefficient of friction (which determines its strength) is dependent upon the two materials of interaction.


How does the roughness of surfaces that are toughing affect the friction between the surfaces?

The rougher a surface is, the higher the coefficient of static and kinetic friction will be.


Is the force needed to overcome kinetic friction greater than static friction?

No, it CAN'T be greater, and it is usually smaller.