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A uniform metal rod is placed on an inclined plane. The friction is sufficient to prevent sliding. The rod is uniformly heated to a certain temperature and cooled back to its original temperature. This process is repeated many times. Show that the rod slowly moves down when the heating and cooling is carried out.


A uniform metal rod is placed on an inclined plane. The friction is sufficient to prevent sliding.


 


The rod is uniformly heated to a certain temperature and cooled back to its original temperature. This process is repeated many times. Show that the rod slowly moves down when the heating and cooling is carried out.


Grade:10

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