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13. Video

From Mechanics

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Current revision (14:34, 27 April 2011) (edit) (undo)
 
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{| width="500px" cellspacing="10px" align="center" border="1"
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| '''Feather and Hammer on the Moon'''
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| '''Introducing Moments'''
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| [[Image:Moon.JPG]]
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| [[Image:moments.JPG]]
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| valign="top"| The Apollo astronauts conducted the now famous experiment where the drop a hammer and a feather on the moon. Due to the lack of atmosphere the two objects fall together under only the influence of gravity.
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| valign="top"| A simple experiment with a book is used to introduce the importance of the distance when considering the turning effect of a force.
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http://www.youtube.com/watch?v=5C5_dOEyAfk
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http://www.youtube.com/watch?v=0QXzOwSfDqc
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| '''Feather and Ball in a Vacuum'''
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| '''The Perpendicular Distance'''
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|valign="top"|
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| [[Image:Vacuum.jpg]]
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| [[Image:Perpendicular.jpg]]
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|valign="top"| This video clip compares the motion of a ball and a feather, when falling through the atmosphere and when falling in a vacuum.
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| valign="top"|This clip shows a demonstration of the fact that the perpendicular distance should be used when calculating the moment of a force.
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http://www.youtube.com/watch?v=uoAPIoKkGXY
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http://www.youtube.com/watch?v=_XJcZ-KoL9o
 
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Current revision

       Theory          Exercises          Video      


Introducing Moments
Image:moments.JPG A simple experiment with a book is used to introduce the importance of the distance when considering the turning effect of a force.

http://www.youtube.com/watch?v=0QXzOwSfDqc


The Perpendicular Distance
Image:Perpendicular.jpg This clip shows a demonstration of the fact that the perpendicular distance should be used when calculating the moment of a force.

http://www.youtube.com/watch?v=uoAPIoKkGXY