Sample Quiz
Reactions at A? or Member force BD?
1. The 40-ft boom AB weighs 2 kips; the
distance from the axle A to the center of
gravity G of the boom is 30 ft. For the
position shown, determine (a) the tension
T in the cable, (b) the reaction at A.
2. A T-shaped bracket supports a 300-N
load as shown. Determine the reactions at
A and C when α = 60°.
Reactions at A and D? Member force FC?
Q1.
(1) Mark ‘O’ on your FBD if the member is
‘Zero’ force member
(2) Find BL using a method of joint
(3) Find LK using a method of section
Reactions at C? or Member force BD?
10”
45°
10”
20”
20”
20”
Q1. Cable force GD? If W = 2000 lb.
Q2. Reactions? Or Member force BD BE CE?
Reactions at A and B? or Member force CD?
Q3. Find Reactions?
Q5. Find Reactions?
Q4. Find Reactions?
a = 5 ft, L = 10ft, and w0 = 5 k/ft
Member force BA or Reactions at D?
Reactions at A and B or Member force CA?
P =2000lb
Q1. Find Reactions
Q2. Find Reactions. H is an internal hinge.
Reactions at C or Member force BD?
P =2000 N
Reactions at A or Member force BD?
P =2000N
Reactions at C and A or Member force BC?
W = 2000 lb