Question #178548

1.Determine the reactions at A and B when (a) α = 0, (b) α = 90°,

(c) α = 30°.

Expert's answer

Consider a simple problem:

The force *F *is applied at the center of the rod. Hence, the reactions 1 and 2 at A and B will be equal.

(a) α = 0:

Reactions point to the right (opposite to the force)

(b) α = 90°,

Reactions point opposite to *F *downward*. *

(c) α = 30°

Reactions point to the left bottom corner at the same angle below the horizontal.

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