GoAnimate.com: Physics of Baseball by jonnyboy721
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Monday, February 1, 2010
My project is about Newton's Third Law and the action-reaction pairs that apply to baseball. I have a glog that will go into depth about my idea and i have a video from GoAnimate which is for your viewing pleasure.
GoAnimate.com: Physics of Baseball by jonnyboy721
Like it? Create your own at GoAnimate.com. It's free and fun!
GoAnimate.com: Physics of Baseball by jonnyboy721
Like it? Create your own at GoAnimate.com. It's free and fun!
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You did a good job with your comic strip. However, there is no explanation of relevant physics in it!
ReplyDeleteFirst you mentioned doubling the mass of a bat. Isn't the mass of a bat fixed? In a baseball game a player cannot just go and add mass to a bat!
You discuss several types of motion of the ball, the physics of this has to do with moments of inertia, angular momentum, and other topics that we will not cover in class.
You also mention 'energy' which will be the topic of our next unit.
Also, the sweet spot belongs to another unit.
I certainly agree that these topics are interesting and relevant to the physics of baseball but the objective of this project
is to investigate the role played by Newton's Laws, Circular Motion or Universal Gravitation on a particular application. There is also a requirement of a FBD on your posting.
Your project needs significant work as it stands.
I like your animation however I do not think it meets the requirements of your project based on what I have seen in the others. I would suggest you pick a specific aspect of the baseball swing because as it stand you are trying to cover too many variables at once. Once you narrow your objective it will become much easier to identify the individual principals and execute an explination.
ReplyDeleteCan you please post a link to your Glogster so that we can see it 'outside of the blog', it is much easier to view.
ReplyDeleteJonathan, your Glogster looks very pleasing to the eye and is very organized. Your definition of Newton's Third Law is very clear.
ReplyDeleteBut I would like to know whether these pair of forces add up to zero. Although there is an equal and opposite reaction for every action, do these pairs act on the same object?
Also, in your FBD, I believe there should be a dot in the middle of your vectors to show that these action-reaction pairs are equal in magnitude but opposite in direction.
Lastly, although the catcher experiences a force by the ball, does the ball also experience a force by the catcher? Please mention the other reaction force in your second baseball example.
Overall, great organization and good work on thoroughly explaining Newton’s Third Law!
Jonathan, a reminder to publish the LINK to your glog. Also please address the comments made by Yan as they add to the explanations of the forces.
ReplyDeleteCan't read your Glog! If I click on the VIEW FULL PAGE it says that the Glogster has been deleted.
ReplyDelete