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Determine the force in the spring CD in the relay

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  • čas přidán 10. 01. 2020
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    The relay regulates voltage and current. Determine
    the force in the spring CD, which has a stiffness of k = 120 N/m,
    so that it will allow the armature to make contact at A
    in figure (a) with a vertical force of 0.4 N. Also, determine the
    force in the spring when the coil is energized and attracts
    the armature to E, figure (b), thereby breaking contact at A.

Komentáře • 4

  • @rajkishorkumar4540
    @rajkishorkumar4540 Před rokem

    Sir why FA is downward.

  • @luckyim6504
    @luckyim6504 Před 3 lety

    this prob was rea lhard for me thxx

  • @TheHalalStudent
    @TheHalalStudent Před 4 lety

    Why didn't you use the angle of 10 degrees for both FA and Fs when getting the sum of MB?

    • @fatih2267
      @fatih2267 Před 3 lety

      in the exam, maybe it can be necessary but it doesnt't effect the final answer because we must multiply the both sides so they simplify each other