Find the moment of the force about 'O'

Q: 4-121 Replace the loading on the frame by a single resultant force. Specify where its line of action…

A: Please refer the attached image for complete solution. THANK YOU.

Q: Could you also help me to determine the bending moment at D?

A: This question is related to the Strength of the material from Civil Engineering. This is attached…

Q: The window is held open by chain AB. Determine the length of the chain, and express the 50-lb force…

A:

Q: 4-82. Express the moment of the couple acting on the pipe assembly in Cartesian vector form. What is…

A: A0,0,0B-1,3,0C2,5.5,0Positon vectors:rAB=-i+3jrAC=2i+5.5jBC→=rAB-rAC=-3i-2.5jF→=20k

Moments

There are various practical applications of the concept of moments, like a rotation of the crank due to linear motion of the piston, the moment of inertia and its use in designing beams and columns, bending moment concept, torque, twisting moment, etc.