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- Title
Kicking a cold soccer ball.
- Authors
Mungan, Carl E.; Lipscombe, Trevor C.
- Abstract
A soccer ball is conceptually split into halves so that it can be modeled as two identical blocks connected by a spring. A constant kicking force applied to one block simultaneously compresses the spring and imparts velocity to the center of mass of the system. If the half in contact with the foot detaches from it when it reaches a specified speed, the final center-of-mass velocity depends on the spring constant. That could explain why it is hard to kick a soccer ball as far on a cold day (when the spring is stiffer) as on a warm day.
- Subjects
SOCCER balls; NEWTON'S second law of motion
- Publication
Latin-American Journal of Physics Education, 2022, Vol 16, Issue 2, p1
- ISSN
1870-9095
- Publication type
Article