Tuesday, July 5, 2011

Semester review

This semester has covered a lot of ground in a few short weeks. From pendulum motion to balanced and unbalanced forces. The picture I chose is of my little sister playing volleyball. Volleyball can provide examples of the better part of the curriculum we covered in this semester. First off, the ball demonstrates the  different factors of movement. Distance, time, velocity, and acceleration can all be seen in volleyball. As the ball is hit, it accelerates forward, it then travels at a fairly constant velocity until it is hit by an opposing player. It also travels a certain distance in a certain amount of time. The ball is also a projectile, and demonstrates 2d kinematics. Finally, it demonstrates balanced and unbalanced forces. When it is hit, it is unbalanced. These are only a few small examples of how volleyball covers most of what we learned in this semester.

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