Problem $4\mathrm{.}110$

Replace the force system acting on the beam by an

equivalent resultant force, and specify its point of application

on the beam measured from point $O($Figure $1).$ Take

$F_1=5lb,F_2=10lb,$ and $F_3=30lb.$

Figure

$1$ of $1$

Part A

Determine the magnitude of the resultant force.

Express your answer in pounds to three significant figures.

$F_R=36\mathrm{.}9lb$

Previous Answers

Correct

Part B

Determine the angle between the resultant force and the $x$ axis.

Express your answer in degrees to three significant figures.

$\sqrt[1]{}$

$A$

darruarr

vec

$,$ measured clockwise

from the positive $x$ axis

Part C

Determine the point of application of the resultant force on the beam measured from point $O.$