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d r
d d r d r d r r
d r
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d d r d r r
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d
Started on r
d d r Sunday, December 4, 2022, 5:09 PM
d r dr d r d r dr
State Finished d r
C omplet edon r
d d r Sunday, December 4, 2022, 5:26 PM
d r d r d r d r dr
Ti met aken r
d d r 16 mins 38 secs
dr dr dr
Poi nts d r 24.00/27.00
Grade d r 88.89out of 100.00
r
d d r d r
Information
Determinethemagnitudeanddirectionofallsupportreactionsforthepin-jointedstructureshown below.
r
d r
d r
d r
d r
d r
d r
d r
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d r
d r
d r
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d dr
w = 600 lb/ft.
dr dr dr
Question 1 d r
Correct d r d r 1.00pointsoutof1.00
r
d r
d r
d r
d
Ay=
Selectone: r
d
a. 1350lbs.↑ dr r
d
b. 5400lbs.→ dr r
d
c. 5400lbs.↓ dr r
d
d. 1800lbs.↑ dr r
d
, Question 2 d r
Correct d r d r 1.00pointsoutof1.00
r
d r
d r
d r
d
Ax=
Selectone:r
d
a. 7200lbs.→ dr r
d
b. 5400lbs.→ dr r
d
c. 7200lbs.← dr r
d
d. 5400lbs.← dr r
d
Question 3 d r
Correct d r d r 1.00pointsoutof1.00
r
d r
d r
d r
d
Dy=
Selectone:r
d
a. 4050lbs.↑ dr r
d
b. 5400lbs.↑ dr r
d
c. 5400lbs.↓ dr r
d
d. 1800lbs.↑ dr r
d
Question 4 d r
Incorrect d r 0.00pointsoutof1.00
r
d r
d r
d r
d
Dx=
Selectone:r
d
a. 7200lbs.→ dr r
d
b. 5400lbs.→ dr r
d
c. 7200lbs.← dr r
d
d. 5400lbs.← dr r
d