Equilibrium of Bodies in 3D space
∑Fx = 0 ∑Fy = 0 ∑Fz = 0
∑Mx = 0 ∑My = 0 ∑Mz = 0
Some unknown reactions in 3D:
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
Given W = 270 lbs
Given mass of the cover: 30 kg Assume no axial reaction at B.
Find Tension in CD and reactions at A & B.
Given W = 450 lb.