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Körper mit Feder von schiefer Ebene heben

About points...

We associate a certain number of points with each exercise.
When you click an exercise into a collection, this number will be taken as points for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit the number of points for the exercise in the collection independently, without any effect on "points by default" as represented by the number here.

That being said... How many "default points" should you associate with an exercise upon creation?
As with difficulty, there is no straight forward and generally accepted way.
But as a guideline, we tend to give as many points by default as there are mathematical steps to do in the exercise.
Again, very vague... But the number should kind of represent the "work" required.

About difficulty...

We associate a certain difficulty with each exercise.
When you click an exercise into a collection, this number will be taken as difficulty for the exercise, kind of "by default".
But once the exercise is on the collection, you can edit its difficulty in the collection independently, without any effect on the "difficulty by default" here.
Why we use chess pieces? Well... we like chess, we like playing around with \(\LaTeX\)-fonts, we wanted symbols that need less space than six stars in a table-column... But in your layouts, you are of course free to indicate the difficulty of the exercise the way you want.

That being said... How "difficult" is an exercise? It depends on many factors, like what was being taught etc.
In physics exercises, we try to follow this pattern:

Level 1 - One formula (one you would find in a reference book) is enough to solve the exercise. Example exercise

Level 2 - Two formulas are needed, it's possible to compute an "in-between" solution, i.e. no algebraic equation needed. Example exercise

Level 3 - "Chain-computations" like on level 2, but 3+ calculations. Still, no equations, i.e. you are not forced to solve it in an algebraic manner. Example exercise

Level 4 - Exercise needs to be solved by algebraic equations, not possible to calculate numerical "in-between" results. Example exercise

Level 5 -
Level 6 -

Exercise

https://texercises.com/exercise/korper-mit-feder-von-schiefer-ebene-heben/

Question

Solution

Short

Video

\(\LaTeX\)

Need help? Yes, please!

The following quantities appear in the problem: Kraft \(F\) / Strecke \(s\) / Federkonstante \(D\) / Winkel \(\theta\) /

The following formulas must be used to solve the exercise: \(F = Ds \quad \) \(F_\bot = F_G\cdot \cos\alpha \quad \)

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Exercise:
Ein Körper mit FgO Gewicht ruht auf einer schiefen Ebene mit steO Steigung. Er wird dann mit einer Feder rechtwinklig zu dieser Ebene von ihr abgehoben währ eine zweite Feder den Körper am hinuntergleiten hindert. Die Feder rechtwinklig zur Ebene dehnt sich dabei um sO aus. Was hat diese Feder für eine Federkonstante?

Solution:
Geg sscFG FgO Fg alpha steO alpd alpr s sO s GesFederkonstanteDsiNpm Der Körper mit FgO Gewicht wirkt mit F_bot sscFG cosalpha Fg cosalpdQ Fg cosalpr Fp auf die schiefe Ebene. Die Feder hat also D fracF_bots fracsscFG cosalphas fracFps D Federhärte. D fracsscFG cosalphas D

Meta Information

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Contained in these collections:

Schiefe Ebene by uz

6 | 13
Normalkraft und Federgesetz by TeXercises

1 | 2

Attributes & Decorations

Tags	federgesetz, hookesches gesetz, kraft, kräfte, mechanik, physik, schiefe ebene
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Difficulty	(2, default)
Points	2 (default)
Language	(Deutsch)
Type	Calculative / Quantity
Creator	uz
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