Sunday, February 12, 2012

2/10/12 - Newton's 2nd Law and Video Recap

Hey there guys, hope you weekend is going well.  On Friday we read about Newton's 2nd Law.  For the most part most of you were able to tell me what it was referring to in your exit slip but for those of you who forgot, Newton's 2nd Law is....

                                     F = MA
or net Force equals Mass times Acceleration (just remember Force is for your mama).  This is relationship that Newton discovered that all objects are governed by.  If you think about the law it makes total sense.  Much like the example in class, it takes a lot more force to move a more massive thing, for example a full shopping cart is harder to move than a lighter shopping cart.  Try for yourself at the link below and see what you discover.  The second link is a great video explaining Newton's 2nd Law and I think you will get a lot out of it.

        - Push the shopping cart

       - Newton's 2nd Law Video

The video we watched in class brought to life all 3 of Newton's Laws of Motion.  There were a lot of examples of how these laws were used to design the rides at Walt Disney World.  Here are Newton's three laws written out again.



Image courtesy of Google Images
   Newton's 1st Law of Motion 


An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force.


                                                          Newton's 2nd Law of Motion
Image courtesy of Google Images
            
           F = MA
The amount of force needed to move an object depends on its mass and acceleration.


Newton's 3rd Law of Motion

For every action there is an equal 
and opposite reaction.

Image courtesy of Google Images

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