1. True or False. Indicate whether you believe the statement is true or not. T F
ID: 1866461 • Letter: 1
Question
1. True or False. Indicate whether you believe the statement is true or not. T F The centroid for an area may not lie within the area itself but T F Coefficients of static friction must be less than.1. must be inside any rectangle that completely encloses the area. F A simple truss is one that can be constructed in a series o repeatedly adding one joint and two members at each step. Th T f steps by starting with a triangle and T T e theoretical basis for this course was completed after 30 minutes on the first class meeting. Refer to the parabolic cable shown to the right TF The horizontal separation between Point C TF The cable length from point A through T F Given that the uniform loading is 100 b/t.l and point A is more than 15 feet. 25 ft point C and on to point B is more than 100 ft. then the maximum tension is less than 7000 lb. 7.5 ft 0 Given that the uniform loading is 100 lb/ft. then the minimum tension exceeds 300 lb. T FExplanation / Answer
1. (a) True,
Centroid may or may not lie in the area itself, for example, the centroid of hollow sections, angle sections, or L shaped section is outside the area.
(b) True
The friction coefficient for materials such as rubber silicon is greater than one. It only means that the developed friction force is greater than the normal force.
(c) True
Yes a simple truss is formed of triangle.
(d) (this is personal class question from you)
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