Engineering Mechanics homework
9/26/2016 MasteringEngineering MasteringComputerScience: HW3
https://session.masteringengineering.com/myct/itemView?view=print&assignmentProblemID=5199924 1/1
Fundamental Problem 4.25
Replace the loading system by an equivalent resultant force and couple moment acting at point . Assume 150 , 250 and 160 .
Part A
Determine the magnitude of the resultant force.
Express your answer to three significant figures and include the appropriate units.
ANSWER:
Incorrect; Try Again; 5 attempts remaining
Part B
Determine the angle between the resultant force and the axis.
Express your answer using three significant figures.
ANSWER:
Part C
Deterine the resultant couple moment acting at point .
Express your answer to three significant figures and include the appropriate units.
ANSWER:
A =F1 lb =F2 lb =F3 lb
= FR 173 lb
x
= , counted counterclockwise from positive axis θ ∘ x
A
= ( )MA R