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Strength of Materials

Supports and Reactions

A rigid bar s...

Question

A rigid bar shown in the figure is hinged at A, is supported by a rod at B, and carries a load W at C.

The resistive force in the rod is

0.5 W

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1. 0 W

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1.5 W

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2. 0 W

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Solution

The correct option is D 2. 0 W

$\Rightarrow W \times l - R \times \frac{1}{2} = 0$
$\Rightarrow R = 2 W$

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A rigid bar shown in the figure is hinged at A, is supported by a rod at B, and carries a load W at C. The resistive force in the rod is

The correct option is D 2. 0 W ⇒ W×l−R×12=0 ⇒ R=2 W

A rigid bar shown in the figure is hinged at A, is supported by a rod at B, and carries a load W at C.

The resistive force in the rod is

The correct option is D 2. 0 W

$\Rightarrow W \times l - R \times \frac{1}{2} = 0$
$\Rightarrow R = 2 W$