1. True or False: If only two forces act on a body that is in equilibrium, then the two forces must be equal in magnitude, co-linear and opposite in sense. True or False?
1. True or False: If only two forces act on a body that is in equilibrium, then the two forces must be equal in magnitude, co-linear and opposite in sense. True or False? ______
2. True or False: Frictionless 2D Pins and 2D Hinges have reactions in both the x and y directions.
True or False? _________.
3. Under certain loading conditions, can a Truss ever include a two-force member that experiences zero force? Yes or No? _______
4. A force of 5.5 “kips” in the US Customary System is just an abbreviation for this number of US pounds. 5.5 kips = ________ pounds.
5. What are the two common numerical/analytical methods that we use for in Engineering
6. True or false: It is generally safe to assume that the 2D reaction forces that occur at single-track rollers and/or rockers are reversible. In other words, a roller support such as this: can pull downward on a free body. True or False? ________.
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