A simply supported beam of length L is subjected to a varying distributed load sin (3 x/L) Nm-1, where the distance x is measured from the left support. The magnitude of the vertical reaction force in N at the left support is

A simply supported beam of length L is subjected to a varying distribu

1.	A simply supported beam of length L is subjected to a varying distributed load sin (3 x/L) Nm^-1, where the distance x is measured from the left support. The magnitude of the vertical reaction force in N at the left support is
A.	zero
B.	L/3
C.	L/
D.	2 L/
Answer» C. L/

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A simply supported beam of length L is subjected to a varying distributed load sin (3 x/L) Nm-1, where the distance x is measured from the left support. The magnitude of the vertical reaction force in N at the left support is

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A simply supported beam of length L is subjected to a varying distributed load sin (3 x/L) Nm^-1, where the distance x is measured from the left support. The magnitude of the vertical reaction force in N at the left support is