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The lower the value of the coefficient of friction what is the resistance to sliding?
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What is the difference between static friction and sliding friction?
Sliding friction is always less than the static friction by small amount.
Why standing friction is greater than sliding friction?
Starting, or static, friction is greater than sliding friction in general. Static friction requires force to be overcome as the object rests on a surface due to its roughness. The roughness is a bunch of small contact points under high stress that resists motion; once this resistance is overcome, the object moves and its velocity allows the surface to glide over the rough spots more easily . This sliding friction is thus a little lower than static friction
What is the value of coefficient of friction of emery cloth?
Depends on the other surface. Coefficients of friction are generally tabulated for pairs of materials. Emery cloth on Teflon, for example, will have a lower coefficient of friction than emery cloth on rubber.
What does the coefficient of kinetic friction depend on?
The coefficient of friction is a scalar value with no dimension. It is simply a ratio of the force of friction between two objects, to the force pressing those objects together (often the normal force). Slippery surfaces have lower coefficient of friction than rough surfaces.
How do planes resist friction?
Planes cannot totally resist friction or wind resistance. Aerodynamics helps to lessen friction or wind resistance. I agree. Air has a lower friction co-efficient than things such as wheels rolling on a highway. So, get an airplane up in the air and it requires less energy to move it. If you throw a Frisbee through the air, it goes much further than it you slide it across the street. More detail plz
What is the difference between static friction and sliding friction?
Sliding friction is always less than the static friction by small amount.
Can you stop friction?
You can reduce it to a point it is not noticeable but can not eliminate it altogether. You can reduce friction through use of materials with lower coefficient of friction like PTFE or by changing the way the materials contact, say change a sliding one to a rotating one.
A lower coefficient of friction indicates that the two surfaces in contact have less resistance?
Yes but make sure you are clear in your understanding between the coefficient of friction and the force of friction. The force of friction is the force that resists the motion of two surfaces moving against one another. The amount of friction is determined by the product of the coefficient of friction and the normal (perpendicular) force that is pressing the two surfaces together. The coefficient of friction is a unit-less constant, that indicates how two surfaces compare to two other surfaces that are being pressed together the same amount. If the normal force is the same on two pairs of surfaces the pair of surfaces with the lowest coefficient of friction will experience the lower force of friction.
What is coefficient of friction..?
A higher coefficient of friction indicates that two surfaces in contact have a greater resistence. A lower coefficient of friction indicates that the two surfaces in contact have less resistence. Soccer cleats on grass have a greater coefficient of friction than skates on ice.
What is friction coefficient?
A higher coefficient of friction indicates that two surfaces in contact have a greater resistence. A lower coefficient of friction indicates that the two surfaces in contact have less resistence. Soccer cleats on grass have a greater coefficient of friction than skates on ice.
Why standing friction is greater than sliding friction?
Starting, or static, friction is greater than sliding friction in general. Static friction requires force to be overcome as the object rests on a surface due to its roughness. The roughness is a bunch of small contact points under high stress that resists motion; once this resistance is overcome, the object moves and its velocity allows the surface to glide over the rough spots more easily . This sliding friction is thus a little lower than static friction
An example of two surfaces that have a low coefficient of friction?
human joints are an excellent example. they have a static friction coefficient of .01 μs and a kinectic friction coefficient of .003 μkanother good example would be waxed wood on dry snow (as in a snowboard on a ski slope) this has a static friction coefficient of .04 μsHope this helped!
What is the value of coefficient of friction of emery cloth?
Depends on the other surface. Coefficients of friction are generally tabulated for pairs of materials. Emery cloth on Teflon, for example, will have a lower coefficient of friction than emery cloth on rubber.
How train differs from any other land transport?
Trains are self guiding & have a lower coefficient of friction.
What is friction acting on objects that are not moving?
Friction is holding immobile objects in place.
What does the coefficient of kinetic friction depend on?
The coefficient of friction is a scalar value with no dimension. It is simply a ratio of the force of friction between two objects, to the force pressing those objects together (often the normal force). Slippery surfaces have lower coefficient of friction than rough surfaces.
Why can you slide faster down a slide when you sit on a plastic or fiberglass mat?
The plastic or fiberglass has a lower coefficient of friction.
