Problem M. 419. (January 2023)

M. 419. Cut out approximately 2 cm wide strips from a sheet of A4 copy paper, parallel to its longer and to its shorter side. Narrow the middle third of the paper strips along the curved lines as shown in the figure. Measure the tensile strength of the paper. (Express the tensile strength in MPa units). Is there a difference between the tensile strength of the longer and shorter strips?

(6 pont)

Deadline expired on February 15, 2023.

Statistics:

12 students sent a solution.
6 points:	Farkas Dorka Hanna, Nagy 456 Imre, Tóth Hanga Katalin.
5 points:	Csilling Dániel, Tomesz László Gergő.
1 point:	1 student.

Problems in Physics of KöMaL, January 2023