Approximate K and 'u' values| HELP

In summary, the approximate value of kinetic and static friction for a block of wood with attachments 1 and 2 would need to be calculated. For the spring constant of the two springs attached to a board, the values would need to be added together to find the total k value. The coefficient of friction between a steel ball and the wooden ramp shown in attachment 3 is estimated to be 0.6.
  • #1
dekoi
Coefficient of Friction and Spring constant

What would the approximate value of (kinetic, and if possible, static) friction be for a block of wood of this nature:
\\Attachment 1 and 2

And how about the 'k' value for these springs? How would i go about calculating this sort of problem when the two springs are attached to a board which is the place of impact? Would i double the value of k?

\\Attachment 3
 

Attachments

  • IMG_0262[1].jpg
    IMG_0262[1].jpg
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  • IMG_0263[1].jpg
    IMG_0263[1].jpg
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  • IMG_0266[1].jpg
    IMG_0266[1].jpg
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Last edited by a moderator:
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  • #2
Awaiting for the image to be approved Dekoi. "Dekoi" is of French origin I pressumed.
 
  • #3
Does a value of 0.6 sound correct for the coefficient of friction between a steel ball and a wooden-ramp shown above?
 
Last edited by a moderator:
  • #4
bump_-----------------
 
  • #5
2 springs in parallel: add the k values to find the total k value.

Not sure what you're doing here. Do you need equations to determine spring constant from spring dimensions?
 

FAQ: Approximate K and 'u' values| HELP

What are approximate K and 'u' values?

Approximate K and 'u' values are parameters used in scientific studies to represent the strength of an interaction or the resistance to flow. K value is used to describe the equilibrium constant of a chemical reaction, while u value is used to describe the coefficient of friction in a physical system.

How are approximate K and 'u' values calculated?

Approximate K values can be calculated using thermodynamic equations and experimental data, while u values can be calculated using mathematical models or empirical measurements. Both values can also be estimated using computer simulations.

What is the significance of approximate K and 'u' values in scientific research?

Approximate K and 'u' values are important because they provide quantitative information about the strength of interactions and the behavior of physical systems. They are used to make predictions and design experiments in various fields such as chemistry, physics, and engineering.

Are approximate K and 'u' values always accurate?

No, approximate K and 'u' values are not always accurate as they are based on estimates and assumptions. They can also vary depending on experimental conditions and may need to be refined with further research.

How can I find the approximate K and 'u' values for a specific system?

You can find approximate K and 'u' values by consulting scientific literature, using online databases, or conducting experiments yourself. It is important to consider the source and method of calculation when using these values in your research.

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