It is determinate because there is only one known force. It is determinate because there are no moments on the FBD. It is determinate because there are three unknowns and we can write three independent equations of equilibrium. It is Indeterminate because we only have one known force and three unknown forces. It is indeterminate because there are no moments on the FBD. It is Indeterminate because we do not have enough available equilibrium equations.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section6.4: Determinants And Cramer’s Rule
Problem 4E: Fill in the blanks with appropriate numbers to calculate the determinant. Where there is , choose...
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4
Equilibrium: The beam is fixed at A and supports the two forces shown. The weight of the beam is negligible. Draw a complete, clearly labeled FBD of
the beam on your paper.
Which one of the following statements is true concerning the determinacy of your FBD?
F1
6 kN
1.5 m-1.5 m-
2
F2
W
A+
#3
30°
1.5 m
F3
E
30°
.4 kN
F4
$4
4
R
F5
%
5
-+
F6
T
F7
&
7
F8
*
e
Transcribed Image Text:Equilibrium: The beam is fixed at A and supports the two forces shown. The weight of the beam is negligible. Draw a complete, clearly labeled FBD of the beam on your paper. Which one of the following statements is true concerning the determinacy of your FBD? F1 6 kN 1.5 m-1.5 m- 2 F2 W A+ #3 30° 1.5 m F3 E 30° .4 kN F4 $4 4 R F5 % 5 -+ F6 T F7 & 7 F8 * e
O It is determinate because there is only one known force.
O It is determinate because there are no moments on the FBD.
O It is determinate because there are three unknowns and we can write three independent equations of equilibrium.
O It is Indeterminate because we only have one known force and three unknown forces.
O It is indeterminate because there are no moments on the FBD.
O It is Indeterminate because we do not have enough available equilibrium equations.
FI
F2
F3
X F4
F5
Transcribed Image Text:O It is determinate because there is only one known force. O It is determinate because there are no moments on the FBD. O It is determinate because there are three unknowns and we can write three independent equations of equilibrium. O It is Indeterminate because we only have one known force and three unknown forces. O It is indeterminate because there are no moments on the FBD. O It is Indeterminate because we do not have enough available equilibrium equations. FI F2 F3 X F4 F5
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