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Between any two body surfaces in contact there acts an frictional force. A friction can operate between a given pair of solids, between a solid and fluid or between a pair of fluids. There are two types of frictional forces : kinetic and static friction.
When two bodies in contact move with respect to each other , rubbing the surfaces in contact the friction between them is called kinetic friction. The directions of frictional forces are such that it opposes the relative motion.
Friction forces can also act between two bodies which are in contact but not moving or sliding with respect to each other. The friction in such case is static friction.
Obie Ondricka
Wiki User
∙ 14y agoBetween any two body surfaces in contact there acts an frictional force. A friction can operate between a given pair of solids, between a solid and fluid or between a pair of fluids. There are two types of frictional forces : kinetic and static friction.
When two bodies in contact move with respect to each other , rubbing the surfaces in contact the friction between them is called kinetic friction. The directions of frictional forces are such that it opposes the relative motion.
Friction forces can also act between two bodies which are in contact but not moving or sliding with respect to each other. The friction in such case is static friction.
Wiki User
∙ 12y agothe differences is that static is motion at a due point, it's also motion at rest. while kinetic is friction on a motion or a moving force.
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As soon as an object starts moving what replaces static friction?
Kinetic Friction replaces Static Friction when an object is in motion.
What kind of friction is wheels rolling on a car?
kinetic friction, and this motion creates thermal energy from this friction. However the wheels moving on a car is directly created from the work of a combustion engine which creates multiple types of friction, chemical and thermal are the two major types.
The friction between a book at rest and the desk it is lying on is an example of what?
This is the example of Newton third law and law of inertia.
Does the coefficient of sliding friction depend on the kinds of materials in contact?
Absolutely! The determination of any kind of friction, kinetic friction (what you call sliding friction, once an object is in motion) OR static friction (the friction it takes to start motion) is determined by the type of materials used. It really depends on the temporary molecular bonds formed between the molecules of the material. The more bonds can form, the less easily something will move (thus the more friction it has)
What effect does friction have when you are trying to move an object at rest?
It provides static friction, so the object cannot move until the static friction is overcome.
What is the difference with static friction and kinetic friction?
static friction is the friction between two bodies they are in contact. And another sliding over the other. Kinetic friction is the friction between two bodies they are rolling .And that force is opposite to the rolling angle
Diference between static and kinetic friction?
the static friction is the force of friction that keep an object at rest from movie and kinetic friction is the force of friction that tries to start a moving object
Friction between two flat surfaces is distinguished as being either static friction or?
kinetic
What are the 2kinds of friction?
Static Friction and Kinetic Friction. Static Friction is what friction that slows you down. While Kinetic friction is sliding friction.
How is static friction and kinetic friction differ from each other?
They are different because static means "not in motion" and kinetic means "in motion". Kinetic friction means friction that is moving and static friction means friction that is not moving.
Which form of friction is harder to overcome static or kinetic?
The static coef. of friction is greater than the kinetic coef. of 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.
What is static friction and kinetic friction?
Static friction is the friction between two objects that are not moving relative to each other (eg: a desk on the floor not moving), kinetic friction is the friction between two objects that are moving relative to each other (eg: a desk sliding on the floor)
Which type of friction is usually greater static friction or kinetic friction?
Usually static.
Which coefficient of friction is greater static or kinetic?
static usully greater then kinetic
Is kinetic friction the hardest friction to overcome?
No, static friction is generally stronger than kinetic friction.
What are the two kinds of friction?
There are two types of friction : static friction and kinetic friction. Static friction occurs when two objects are touching but are not moving relative to each other. For example, static friction can prevent a box from sliding down a slope. The static friction between this box and the slope (and between any objects) can be calculated using the equation : Fs = µsN where µs is the coefficient of static friction and N is the normal force. Kinetic friction occurs when two objects are touching and moving relative to each other. For example, the kinetic friction slows down a box sliding down a slope. Also, when two surfaces rub together, there is kinetic friction. The kinetic friction can be calculated using the equation: Fk= µkN where µk is the coefficient of kinetic friction and N is the normal force.
