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Questions  

Find tension in string if θ=30° and the mass hanged in middle of the string is equal to 22 kg.

a
110 N
b
220 N
c
Infinite
d
Between 110 N and 220 N

detailed solution

Correct option is B

2Tsin⁡θ=Mg⇒T=Mg2sin⁡θ=22×102×12=220N

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