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Equilibrium of Bodies in 3D space
∑F_{x} = 0 ∑F_{y} = 0 ∑F_{z} = 0
∑M_{x} = 0 ∑M_{y} = 0 ∑M_{z} = 0
Some unknown reactions in 3D:
Examples 4.7
Given W = Ladder + Person
= 100 * 9.81 = 981 N
The wheels at A & B are flanged while the wheel at C is unflanged.
Determine reactions at A, B and C
Example 4.8
Given W = 270 lbs
Determine
Example 4.9
Given mass of the cover: 30 kg Assume no axial reaction at B.
Find Tension in CD and reactions at A & B.
Example 4.10
Given W = 450 lb.
Find
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