A) pattern A is more sturdy
B) pattern B is more sturdy
C) pattern C is more sturdy
D) all will have same sturdiness
Correct Answer: A
Solution :
For equilibrium of street light, \[mg\times x=T\times y\] or \[T=\frac{mg.x}{y}\] For T to be minimum, y should be maximum. Hence, pattern A is more sturdy.You need to login to perform this action.
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