- (A) 2/3
- (B) 1/5
- (C) 3/5
- (D) 1/3
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- (A) zero
- (B) 1
- (C) 2
- (D) infinity
- (A) be in equilibrium
- (B) always reduce to a resultant force
- (C) always reduce to a couple
- (D) both (A) and (C)
- (A) trusses only
- (B) beam only
- (C) rigid frames only
- (D) any type of structure
- (A) only the closure of force polygon is sufficient
- (B) only the closure of funicular polygon is sufficient
- (C) both force polygon and funicular polygon must close
- (D) none of the above
- (A) that polygon of forces must close
- (B) that resultant couple must be zero
- (C) both (A) and (B)
- (D) none of the above
- (A) one specified point
- (B) two specified points
- (C) three specified points
- (D) more than three specified points
- (A) distance scale
- (B) force scale
- (C) mass scale
- (D) time scale
- (A) can be obtained by graphic statics
- (B) cannot be obtained by graphic statics
- (C) may be obtained by graphic statics
- (D) can be obtained by graphic statics by trial and error
- (A) method of joint
- (B) method of section
- (C) either method
- (D) none of the two methods

