FPT 2017 IPT connect | IPT 2016 Home Physics Fights Ranking Problems Participants Jurys

2. The torque

Why do screws loosen when they are vibrated? Under what conditions is it possible to use vibration to loosen them? Can the screws be made to tighten using vibrations?

Report Opposition Review
China

6.00

6.20

Greece

7.50

Russia

6.60

Spain

2.00

4.75

Sweden

3.20

4.60

Ukraine

4.80

MEAN

3.73

6.17

5.32