Determine the vertical movement of joint


Solve the below problem:

Q: Determine the vertical movement of joint D if the length of member BF is increased by 75 mm. (Hint: Apply a vertical load at joint D, and, using the methods compute the force exerted by member BF on joints B and F. Then apply the method of virtual work for a virtual displacement resulting in the specified increase in length of member BF. The method should be used only for small changes in the lengths of members.)

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Mechanical Engineering: Determine the vertical movement of joint
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