A uniform Plank

  • Thread starter gtaylor
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A uniform plank us supported by a hinge at one end. What is the magnitude (expressed as a multiple of the plank's weight Fg) of the upward force you have to exert on the other end to keep the plank at rest and level?
 

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  • #2
kuruman
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The sum of all the forces must be zero and the sum of all the torques must be zero. Go for it.
 

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