A rod of weight \( w \) is supported by two parallel knife edges \( A \) and \( B \) and is in e....

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A rod of weight \( w \) is supported by two parallel knife edges \( A \) and \( B \) and is in equilibrium in a horizontal
\( \mathrm{P} \)
position. The knives are at a distance \( d \) from each other. The centre of mass of the rod is at distance \( x \) from \( A \). The normal reaction on \( A \) is
(1) \( \frac{w x}{d} \)
(2) \( \frac{w d}{x} \)
(3) \( \frac{w(d-x)}{x} \)
(4) \( \frac{w(d-x)}{d} \)


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