Question: In ( Figure 1 ) , P = 1 9 0 0 l b . Determine the force in member H G of the truss,

(

Figure

1), P = 1900 l b .

Determine the force in member

H G

of the truss, and state if the member is in tension or compression.

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

Part B

Determine the force in member

H E

of the truss, and state if the member is in tension or compression.

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

F_{H E} = C ?

Part C

Determine the force in member

D E

of the truss, and state if the member is in tension or compression.

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

{\begin{matrix} : F_{D E} = & V a l u e U n i t s \end{matrix}

(

Figure

1),

= 1900

.

Figure

1

1

A truss consists of

18

members joined by

11

pins. The pins

'

',

,

,

,

,

and F are located on the same horizontal line at a distance of

3

feet from each other from left to right in this order. The pin at

'

'

is fixed to a horizontal surface. The pins at K

,

,

I, H

,

and G are located on the same horizontal line at a distance of

3

feet from each other from left to right in this order starting from K that is fixed to a vertical surface

4

feet above

'

' .

The members are

'

'

,

B C

,

C D

,

D E

,

E F

,

F G

,

G H

,

H I, I J

,

J K

,'

'

,

J B

,

J C

,

C I, C H

,

H D

,

H E and E G

.

Five loads labeled P are applied at B

,

,

,

,

and F and are directed vertically downward.

Part A

Determine the force in member HG

of the truss, and state if the member is in tension or compression.

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

FHG

=

nothing

Request Answer

Part B

Determine the force in member HE

of the truss, and state if the member is in tension or compression.

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

FHE

=

nothing

Request Answer

Part C

Determine the force in member DE

of the truss, and state if the member is in tension or compression.

Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression.

FDE

=

nothing

In ( Figure 1 ) , P = 1 9 0 0 l b . Determine the

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