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What are the causes of sliding friction?
For example the cause of sliding friction of two materials is when the stress between the Materials is not equal to zero
How does friction differ from other forces?
Friction produces heat. The other forces produce motion or stress.
Is friction velocity dependent?
Friction velocity is not dependent on velocity itself, but it is dependent on the shear stress at the wall. It is defined as the square root of the wall shear stress divided by the fluid density. The value of the friction velocity determines the intensity of turbulence in the flow.
What happens when friction on opposite side of a fault is high?
High friction on opposite sides of a fault can cause stress to build up in the rocks. When the stress exceeds the strength of the rocks, it can result in an earthquake as the rocks suddenly shift along the fault line.
What Stress will build until an earthquake occurs if friction along a fault is?
The mechanism for stress to be released from friction along a fault is known as elastic rebound. Vibrations occur when rocks elastically return to their original shape causing damage from the seismic waves being sent out.
What role does friction play in plate motion?
Friction between tectonic plates helps to resist their motion and build up stress along plate boundaries. When this stress overcomes the frictional resistance, it causes earthquakes as the plates suddenly slip past each other. Friction also influences the type and direction of plate movements, such as subduction or transform boundaries.
Why is Mohr-coulomb failure envelope for clean sands tend to concave downward?
That is because the friction angle reduces with normal stress.
What is turbulent viscocity?
Turbulent viscosity is a value which is assumed to be equal in all directions. It is the same as Eddy Viscosity This is a measure of a fluid which is being deformed by stress. The fact that it is turbulent just means it is changing so the internal friction or viscosity is changing constantly and this is why it is called turbulent. the internal friction is the friction within the object hence the term internal however this friction derives from the force of the fluid acting on the object. E.G if air is your fluid surrounding the object and the object is experiencing a change in the velocity of the air it will be exposed to a different amount of stress and will therefore have a different value for internal friction.
What is the relationship of internal friction and viscosity?
yes
How do geologists collect data on friction along the sides of faults?
Geologists study the types of movement that occurs along faults. How rocks move along a fault depends on how much friction there is between the sides of the fault. Friction is the force that opposes the motion of one surface as it moves across another surface. Friction exists because surfaces are not perfectly smooth.Along parts of some faults, the rocks on both sides of the fault slide by each other without much sticking. Therefore stress does not build up, and big earthquakes are unlikely. Along many faults, the rocks lock together. In this case, stress increases until it is large enough to overcome the friction force. Stress builds up until an earthquake occurs.
What condition does an excessive amount of stress on the inside of the foot cause?
One common example of an abnormal movement is an excessive amount of stress placed upon the inside of the foot. This leads to friction and irritation of the involved structures.
Can rubber produce heat?
Rubber can generate heat through friction when undergoing mechanical stress, such as bending, stretching, or rubbing. This phenomenon is known as hysteresis heating, where energy is lost as heat due to the internal friction within the material.
