2. Video

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| valign="top"| If you are unable to do the bike experiment for yourself, try watching in on the link below.
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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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http://www.youtube.com/watch?v=5C5_dOEyAfk
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http://www.youtube.com/watch?v=DGTe5T4LIZY
 
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|valign="top"| If you are unable to do the drum experiment for yourself, try watching in on the link below.
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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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http://www.youtube.com/watch?v=_XJcZ-KoL9o
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http://www.youtube.com/watch?v=O5vvSJjqTOU
 
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Current revision

       Theory          Exercises          Video      


Feather and Hammer on the Moon
Image:Moon.JPG 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.

http://www.youtube.com/watch?v=5C5_dOEyAfk


Feather and Ball in a Vacuum
Image:Vacuum.jpg This video clip compares the motion of a ball and a feather, when falling through the atmosphere and when falling in a vacuum.

http://www.youtube.com/watch?v=_XJcZ-KoL9o


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