When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would :

change from tension to compression

change from compression to tension

When a load crosses a through type Pratt truss in the direction left t

1.	When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would :
A.	change from compression to tension
B.	change from tension to compression
C.	always be compression
D.	always be tension
Answer» B. change from tension to compression

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When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would :

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