472 HW_2 - virtual work to determine the vertical...

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MAE 472, Spring 2010 Homework #2 Due 2/9/10 Problem 1 For the rigid block with mass m on an inclined plane shown below, calculate the virtual work done by gravity for a virtual displacement. a) up the incline b) down the incline c) in the horizontal direction to the left d) use the Principle of Virtual Work to write the equilibrium equation, considering a virtual displacement (i) up the incline and (ii) down the incline Problem 2 Two rigid bars of length L are pinned together and supported as shown below. Use the principle of
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Unformatted text preview: virtual work to determine the vertical deflection at point A corresponding to the equilibrium configuration. Assume that displacements are small. Problem 3 Using the principle of virtual work, find the angle at equilibrium. Each member of the linkage is rigid. Assume all displacements are small. Problem 4 Find the forces in each of the four springs, in terms of P and , using the principle of virtual work. Assume all displacements are small....
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472 HW_2 - virtual work to determine the vertical...

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