6 | 3D Rigid Body Equilibrium

At the end of this section you should be able to:

  1. Properly draw a FBD for 3D rigid body

    • Correctly identify reaction forces and moments

  2. Create scalar and vector equilibrium equations from FBD

Hibbeler 13e 5.71: Finding reactions at a collar and roller

Hibbeler 13e 5.69: Determine required applied force for equilibrium

Hibbeler 13e 5.76: Finding reactions at a ball-and-socket and in cables

Note: Equation 3 in the video is missing the -80 lb from the weight of the crate

Hibbeler 12e 5.76: Pin connection

Hibbeler 12e 5.147: 3D Square Collar

Hibbeler 12e 5.84: 3D tipping problem

Hibbeler 12e 5.95: Equilibrium with bearings

Beer 10e 4.118: Bearings

Hibbeler 12e 5.70: Ball and Socket Connection

Hibbeler 12e 5.66: Algebraic

Mathematica Code