Kinematics

 Kinematics is the study of motion. These pictures of my brother relates to Kinematics because he is creating motion when he throws the baseball. In baseball, a pitcher throws a ball to the catcher and the batter of the opposing team has to hit it. The velocity of the pitch (or how fast the ball goes) depends on how hard the pitcher throws it. With physics you can calculate how fast the ball is going. The formula for average velocity is displacement*elapsed time. So if my brother was pitching from a mound that was 60.5 feet away from home plate and it took the ball 3.8 seconds to get there, I can use the formula average speed = displacement*elapsed time to figure out that he throws around 70 miles per hour.

Tape Measure

This is a picture of a tape measure. This is an example of the unit we did because it has to do with measurement. A tape measure is used to measure things. Specifically, this one is used more so for construction, there is another type used for tailoring. It is common that there are metric units on one side and imperial or British units on the other. This applies to physics because people use it to measure the length or width of things so they are able to resize different things or see if they need to make it longer. In physics, they use the metric system to measure things. For instance, we used a meter stick to measure the string part of the pendulum for our lab and a tape measure has the same units you can measure things with.