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**Problem 2-12 (page 26) Solution:**

The cable exerts a force of 600 N on the frame. Resolve this force into components acting (a) along the x and y axes and (b) along the u and v axes. What is the magnitude of each component? Solution:

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**Problem 2-16 (page 26) Solution:**

If the resultant FR of the two forces acting on the jet aircraft is to be directed along the positive x axis and have a magnitude of 10 kN, determine the angle of the cable attached to the truck at B such that the force FB in this cable in a minimum. What is the magnitude of force in each cable when this occurs? Solution:

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**Problem 2-29 (page 35) Solution:**

Three forces act on the bracket. Determine the magnitude and orientation of F2 so that the resultant force is directed along the positive u axis and has a magnitude of 50 lb. Solution:

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Problem 2-29 continued

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**Problem 2-42 (page 47) Solution:**

The pipe is subjected to the force F which has components acting along the x, y, z axes as shown. If the magnitude of F is 12 kN, and α = 120 deg and γ = 45 deg, determine the magnitudes of its three components. Solution:

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**Problem 2-48 (page 55) Solution:**

Express the position vector r in Cartesian vector form; then determine its magnitude and coordinate direction angles. Solution:

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Problem 2-48 continued

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**Problem 2-59 (page 57) Solution:**

Express each of the two forces in Cartesian vector form and then determine the magnitude and coordinate direction angles of the resultant force. Solution:

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Problem 2.59 continued 1

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Problem 2-59 continued 2

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**Problem 2-65 (page 59) Solution:**

The cylindrical vessel is supported by three cables which are concurrent at point D. Express each force which the cables exert on the vessel as a Cartesian vector, and determine the magnitude and coordinate direction angles of the resultant force. Solution:

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Problem 2-65 continued 1

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Problem 2-65 continued 2

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Problem 2-65 continued 3

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**Problem 2-78 (page 65) Solution:**

Determine the magnitudes of the projected components of the force F={-80i + 30j + 20k} lb in the direction of the cables AB and AC. Solution:

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Problem 2-78 continued

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**Problem 2-95 (page 68) Solution:**

Express each of the three forces acting on the column in Cartesian vector form and determine the magnitude of the resultant force. Solution:

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Homework Review (Ch. 1 & 2) 1-6 (pg. 15) 1-8 (pg. 15) 2-10 (pg. 28) 2-32 (pg. 39) 2-57 (pg. 42) Any questions???

Homework Review (Ch. 1 & 2) 1-6 (pg. 15) 1-8 (pg. 15) 2-10 (pg. 28) 2-32 (pg. 39) 2-57 (pg. 42) Any questions???

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