Engineering Mechanics homework
9/26/2016 MasteringEngineering MasteringComputerScience: HW3
https://session.masteringengineering.com/myct/itemView?view=print&assignmentProblemID=5199879 1/1
Problem 4.78
Two couples act on the beam as shown.
Part A
Determine the magnitude of so that the resultant couple moment is 400 counterclockwise.
Express your answer to three significant figures and include the appropriate units.
ANSWER:
Part B
Where on the beam does the resultant couple act?
ANSWER:
Correct
F lb ⋅ ft
= F
the right side of the beam
anywhere
the left side of the beam
in the middle of the beam
nowhere