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An L-shaped object, made of thin rods of uniform mass density, is suspended with a string as shown in figure. If AB = BC, and the angle made by AB with downward vertical is θ , then : B A C 90º θ Z X

1. tan θ = 1 3
2. tan θ = 1 2
3. tan θ = 2 3
4. tan θ = 1 2 3

Correct answer: tan θ = 1 3

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