EGR 280 – Mechanics Problem Set 1 - Oakland University
EGR 280 – Mechanics Problem Set 1
Graphics and problem statements © 2004 R.C. Hibbeler.
Published by Pearson Education, Inc., Upper Saddle River, NJ.
|[pic] |1.1 Determine the magnitude of the resultant force and its |
| |direction, measured counter-clockwise from the positive x-axis. |
| | |
| |Ans: R = 393 lb, θ = 353° |
|[pic] |1.2 Determine the magnitude of the resultant force and its |
| |direction, measured counter-clockwise from the positive x-axis. |
| | |
| |Ans: R = 998 N, θ = 135° |
|[pic] |1.3 Two forces are applied at the end of a screw eye in order to |
| |remove the post. Determine the angle θ (0° ≤ θ ≤ 90°) and the |
| |magnitude of the force F so that the resultant force acting on |
| |the post is directed vertically upward and has a magnitude of 750|
| |N. |
| | |
| |Ans: θ = 18.6°, F = 319 N |
|[pic] |1.4 Determine the magnitudes of F1 and F2 so that the particle |
| |is in equilibrium. |
| | |
| |Ans: F1 = 435 lb, F2 = 171 lb |
|[pic] |1.5 Determine the magnitude and direction of F1 so that particle|
| |P is in equilibrium. |
| | |
| |Ans: θ = 12.9°, F1 = 552 N |
|[pic] |1.6 Determine the maximum weight of the flowerpot that can be |
| |supported without exceeding a cable tension of 50 lb in either |
| |cable AB or AC. |
| | |
| |Ans: W = 76.6 lb |
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