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