CHAPTER 2 REVIEW

# CHAPTER 2 REVIEW - CHAPTER 2 REVIEW HINTS FOR PROBLEM...

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CHAPTER 2 REVIEW & HINTS FOR PROBLEM SOLVING SECTION A - Two-Dimensional Force Systems 1. Two Force Systems (2-D) Identify which of the forces are applied forces and which is the resultant a. Draw a parallelogram with the applied forces as two adjacent sides. On completing the parallelogram, the diagonal is the resultant. b. Draw the applied forces in tip-to-tail fashion then the resultant force is the line that joins the tail of the first vector to the tip of the second. c. Or the resultant force is the sum of the rectangular components of the two forces. d. Force Concepts i. Force is a Vector quantity - The action of one body on another ii. Magnitude of a force: iii. Transmissibility - A force has and can be moved along a unique line of action iv. Force has a unique Point of Application and Direction .

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2. Moments (2-D) a. Use the formula Mo = Fd Where d -> Is the perpendicular distance from O to the line of action of the force.
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