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12. A block of mass m is initially held in place by two massless strings, as shown.
m
The tension in the diagonal string is T₁. Next, the horizontal string is cut, and immediately afterward
the tension in the diagonal string is T2. Which of the following is true?
(A) T₁ <mg <T₂ (B) T₂ <mg <T (C) T₁ <T₂ <mg (D) mg <T₂ <T₁ (E) T₁=T₂ <mg

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