Coefficient of Friction Lab: Can Static Be Less Than Kinetic?

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The discussion centers around the question of whether the coefficient of static friction can be less than the coefficient of kinetic friction. Participants express curiosity about the relationship between these two coefficients in the context of a friction lab. A repeated link to a resource on HyperPhysics is provided as a potential source of information. The general consensus suggests that static friction is typically greater than kinetic friction. Understanding this relationship is crucial for accurately conducting experiments related to friction.
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I am doing a lab on friction and i was asked the question: "Can the coefficient of stastic friction ever be less than the coefficient of kinetic friction?"

Does anyone know about this?
Thnak you
 
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iggy2789 said:
I am doing a lab on friction and i was asked the question: "Can the coefficient of stastic friction ever be less than the coefficient of kinetic friction?"

Does anyone know about this?
Thnak you

The same link over and over again: http://hyperphysics.phy-astr.gsu.edu/hbase/frict2.html" . Hope it helps. :smile:
 
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Thread 'Mousetrap Car Energy efficiency'

For simple comparison, I think the same thought process can be followed as a block slides down a hill, - for block down hill, simple starting PE of mgh to final max KE 0.5mv^2 - comparing PE1 to max KE2 would result in finding the work friction did through the process. efficiency is just 100*KE2/PE1. If a mousetrap car travels along a flat surface, a starting PE of 0.5 k th^2 can be measured and maximum velocity of the car can also be measured. If energy efficiency is defined by...
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