Physics was observed during a DHS girls lacrosse game by Newton’s Laws and in free-fall. Newton’s Laws consist of 3 different laws, the law of inertia, F=ma, and action-reaction forces. Free-fall was observed in the game when the lacrosse ball falls, and only gravity acts upon it. All in all, Newton’s Laws and free-fall was portrayed during the lacrosse game.
The experiment overall was nicely conducted, and results were found through the information gathered. The dependent variable was established very quickly; furthermore, we can find the dependent variable was whether the athletes played a contact sport or a sport like baseball, where most concussions come from being hit by the ball. The independent variable is the number of concussions the test subjects obtained. Ultimately they could not control how many concussions each individual obtained but they controlled which individuals were chosen and what test were ran. The results that ran throughout the whole experiment was an overall success, the results show that multiple compared to single occurring concussions do not have an effect on P3 suppression.
An object on earth can not truly free-fall on earth because air resistance can amongst all objects no matter how miniscule and if there is friction pushing a body or an object the opposite direction than the downward acceleration due to gravity, then it can not be free, not under the control of another, falling. Therefore, the size and shape can also be factors affect how an object falls which on Earth, can not truly
My question looks at how gravity, and the weight and size of different balls affects how long it takes to hit the ground. The balls I choose was the American football, golf ball, baseball, and tennis ball. As learned in this experiment, weight and size affect how fast the ball drop because gravity will cause the heavy ball to drop faster. This means that the heavier ball should fall faster, while the lighter ball should fall slower. I choose this topic because I want to know if ball sizes influence how fast the ball will hit the ground.
Based on our observations above, we have come to the conclusion that our hypothesis is wrong. Our hypothesis said that the heavier object would fall to the ground faster than the lighter object but, our observations were proved wrong. The metal ruler and the plastic ruler fell first for about 20% each but, the two objects fell on the ground at the same time for around 60% out of the 60 trials. The hypothesis is not supported because the two objects fell at the same time for more than half of the 50 trials which means that our hypothesis is wrong. It seems like both objects have the same gravity pull and the mass and weight don’t affect the results.
The application of force in the delivery of a pitch directly influences its speed and movement. By understanding how different forces act on the ball during its release, we gain insight into the relationship between force and speed (Newton's Laws of Motion, 2023). In application of the previously discussed forces of pitching lies the Magnus effect. The Magnus effect is responsible for the spinning of the ball in the air, but how? When the ball is traveling through the air from a pitch, one side is traveling in the direction of the air flow, while the other is traveling in opposition to it.
In this egg drop project, a container was built to house one egg and was then dropped at various heights. The purpose of this lab was to find how impact time affected the force with which an object, the egg container, hits another surface as the momentum moves to zero. Our hypothesis states that if the impact time is stretched longer then the force exerted on the egg would decrease, making the egg less likely to break. The independent variables for the egg drop project was the height at each drop; the dependent variables were impact time and survival of the egg. The controls were mass, design of the container, and the egg.
The null hypothesis of this research is that the gases (helium, nitrogen, argon, and CO2) will have no effect on the football hang time. This study’s alternate hypothesis is if a football is filled with a gas lighter than air (helium and nitrogen), then the football will have a longer hang time; and if a football is filled with a gas heavier than air (argon and CO2), then the football will have a shorter hang time. Since the first experiment results were nullified because of an error in the PSI of the football, the second experiment results led the researcher to reject the null hypothesis. There is enough evidence to support that footballs filled with gases lighter than air will have a longer hang time and footballs filled with gas heavier than air will have a shorter hang time. The reason to make this claim is that the researcher found that gases lighter than air (helium and nitrogen) had longer mean hang times and gases heavier than air had shorter mean hang times in Table 2 and because of the error bars in Graph 2, it showed significant differences between the means.
First, when the golf club is to hit the golf ball, all energy is stored as gravitational potential energy of golf club(Ep), so the total energy system before the golf club hits the ball is written as: ET = Ep(initial) = mgh As the club swings down, the gravitational potential energy is converted to the kinetic energy. And then when the club hits a golf ball, kintic energy of the club will be converted to the linear and rotational kinetic energy of the ball and some will be converted to heat and sound energy due to inelastic collision. In order to measure the gravitational potential energy, a golf club fell from the same height and the height reached after the collision was measured. The height difference between after the collision and before
In the data, one trend found was that as the ball became closer to the ground, it’s kinetic energy value went up and the GPE value went down. Also, when the ball went up, the value of kinetic energy became smaller and the value of GPE became greater. This is correct because when any object is close to the ground the kinetic energy is greater than the GPE and when the object is at it’s highest point the GPE is greater and the kinetic energy is less. Another trend was when the ball was at the very end or beginning the total energy was .5 off from the total energies of the points in the middle. This is an example of inherent error because there was no way for the LabQuest to get the exact point and motion, so the calculations were bound to be
We only used one material which was the weight in this experiment. The weight had a smooth surface which may have allowed it to slip easily compared to a material that has rougher sides. An object with a smoother surface has less friction and when gravity acts upon it, it will slide easily thus at a lower angle causing a low coefficient. Q5.
I decided to play racquetball with my father at the gym for this experiment. Racquetball is a competitive game where a group of players play tennis ball inside of a box, and they take turns hitting the ball with their racket onto the wall to travel towards the other players. I had an amazing time playing, and I learned a couple of interesting information about himself and I. During Labor Day weekend, I was spending quality time with my family in Pittsburgh, and one morning, I decided to play racquetball with my dad. This is because I would see if I 'm interested in it, and I knew that I needed to workout, since I haven 't in a while. I knew that he has been playing that sport for the longest time, and I have been greatly interested in
Chase Dahler Advanced LA 11 Mrs. Rasmusson May 10, 2023 Physics of Baseball Foley’s baseball coach Mr. Beier once said, ”Are you studying for a physics test? Well, then you had better be studying baseball.” Even though he had declared this as a disciplinary reprimand, it still holds weight as a somewhat truthful statement. Sports and physics are obviously directly correlated in terms of motion and force, but more than ever in the sport of baseball. Physics in baseball, whether watching or playing, revolves around the ball, the bat, and the transfer of energy.
Smart precautions and planning averts the Tennis injuries Some times of any year becomes all about Tennis - with the Australian Open, Wimbledon and other lead-up events grabbing our attention as the stars occupy our TV screens. The gruelling circumstances and the astounding amount of time spent by the players on court lead to unavoidable injuries. Tennis injuries are not only observed in the elite field, the sub-elite and recreational players are at the risk of injury owing to the elevated speed and racquet size, and the repetitious character of this sport. This leads to injuries in spots such as the elbow, shoulder, wrist, ankle, knee, hip, and spine. While the most identified tennis injury is 'Tennis Elbow ' - the actual incidence of
Physics Applied to Soccer Soccer. The most popular game in the world, and yet the most beautiful. This sport is known for its skill and its way of bringing people together. Though what most don’t know is that a great amount of physics can be applied to the game of futbol. From Newton’s Laws of Motion, to things such as friction and inertia, there is so much to learn from this sport.
