MasteringEngineering MasteringComputerScience 41 Moments Sc

MasteringEngineering MasteringComputerScience: 4.1 Moments - Scalar Formulation Google Chrome Es seguro l https://session.masteringengineering.com/myct/itemView?a 11:06 PM 3/20/2018 L] -,1114:

Solution

As the horizontal force F1 is the one which produces the moment about A, not vertical force. And the moment it creates about A is M_A= F₁*d₁ = 70*d₁

But, M_A = 195 lbs-ft (given)

so  d₁ = 195/70 = 2.785 feet