Tuesday, December 1, 2009

Edgar

Choose a sport and answer the following questions about that sport. Copy and paste the questions with your answers into a new post (don't forget your name). Use reliable websites to help answer the questions.


1. What sport did you choose? What is the history of your sport? When and by whom was it invented? How much has it changed since it was invented? I chose the sport of football. This sport has been around since around the time of 1840. It was invented by many men but perhaps the most important of all is Walter Camp. It has changed a bit because before in by the time of 1840 men only played football for fun and in college instead of in stadiums in front of hundreds or even thousands of screaming fans.



2. Describe the objects in motion in your sport. Do people move around a lot? Do they move in straight lines or do they change directions? Is a ball or other object the main part of the game or sport? In football the teams have to move around a lot they move in many different directions the ball is the main part and the objective is to get it and take it to the goal line.



3. What two things must be measured to determine the average speed of an object? Design a way to measure the average speed of a moving person or object in this sport, such as the speed of a served tennis ball or the speed of a figure skater gliding across the ice. Describe how this speed is controlled by the athlete. The distance and time it takes to get there. There can be an end point and you can use a stopwatch to see how long it takes the person to get there. Stay at the same rate and way that you are running.



4. Review the definition of work (the scientific definition). Try to identify and describe at least two examples of an action in which work is done in your sport. Remember, the force and the distance moved must be in the same direction. What information would you need to calculate the amount of work done? I don't know the scientific definition for work and I could not find it on the internet.



5. Find at least one example of each of Newton's laws of motion in your sport. Describe each example as clearly as possible. the law of motion that is in football is mass a ball can't get from one player to another player without one of the two players throwing it.




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