About Jawa Beginner
4.131-4.140 Using the method of joints, calculate the force in each member of the trusses shown. State whether each member is in tension or compression.
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4.80 Neglecting friction and the weights of the members, compute the magni- tudes of the pin reactions at A and C for the folding table shown.
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4.78 The bars AB and BC of the structure are each of length L and weigh W and 2W, respectively. Find the tension in cable DE in terms of W, L, and the angle theta
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The bars AB and AC are joined by a pin at A and a horizontal cable. The vertical cable carrying the 200-kg mass is attached to the pin at A. Determine the tension in the horizontal cable. Neglect the weights of the bars.
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