A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal 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
A
$\frac{Wx}{d}$
B
$\frac{Wd}{x}$
C
$\frac{W}{d-x}$
D
$\frac{W}{d}$

Question

A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal 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

A

$\frac{Wx}{d}$

B

$\frac{Wd}{x}$

C

$\frac{W}{d-x}$

D

$\frac{W}{d}$

Accepted Answer

$ \frac{W}{d-x} $

Answer

$ \frac{Wx}{d} $

Answer

$ \frac{Wd}{x} $

Answer

$ \frac{W}{d} $

NEET 2015 Physics Equilibrium MCQ Question

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