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QAIPM-2015-Ph-1339: NEET 2015 Physics - Class 11 AIPM-2015-Ph-1339 Solution: A rod of weight W is supported by two parallel knife edges A…

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 W(d−x)x\frac{W(d-x)}{x} W(d−x)d\frac{W(d-x)}{d} Wxd\frac{Wx}{d} Wdx\frac{Wd}{x}

Multiple Choice Options

  • A W(d−x)x{{W\left( {d - x} \right)} \over x} x W ( d _ x ) _
  • B W(d−x)d{{W\left( {d - x} \right)} \over d} d W ( d _ x ) _
  • C Wxd{{Wx} \over d} d W x _
  • D Wdx{{Wd} \over x} x W d _

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