Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
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Problem M. 427. (December 2023)

M. 427. In physics classes, we learn that the kinetic frictional force is directly proportional to the force compressing the surfaces, and that the proportionality constant does not depend on the size of the surface. Investigate (using at least two pairs of materials) how accurate these statements are.

(6 pont)

Deadline expired on January 15, 2024.


Statistics:

15 students sent a solution.
6 points:Bencze Mátyás, Csapó András, Hegedüs Márk, Žigo Boglárka.
5 points:Fülöp Magdaléna.
4 points:2 students.
2 points:1 student.
Not shown because of missing birth date or parental permission:1 solutions.

Problems in Physics of KöMaL, December 2023