The control lever is subjected to a clockwise couple of 97 N-m exerted by its shaft at A and is designed to operate with a 330-N pull as shown. If the resultant of the couple and the force passes through A, determine the proper dimension x of the lever. Assume F = 330 N, a = 135 mm, 0 = 17% F a www. Answer: x = i -- add a d A mm

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Forced undamped vibrations

In mechanical engineering, vibration is expressed as the term that occurs due to an object's backward and forward movement about a point of equilibrium. Generally, there are three types of vibrations which are,