If a street light of mass $M$ is suspended from the end of a uniform rod of length $L$ in different possible patterns as shown in figure, then [image:5_image51.emf]

Question

Dr. Abubacker · Accepted Answer

(a) For equilibrium of street light,
[image:5_image195.emf]
$mg 	imes x = T 	imes y\ \ or\ T = \frac{mg\ x}{y}$
For T to be minimum $y$ should be maximum.
Hence, pattern A is more sturdy.

Q. If a street light of mass $M$ is suspended from the end of a uniform rod of length $L$ in different possible patterns as shown in figure, then

Explanation

Reviewed by Dr. Abubacker

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