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Question

A weight W is supported by two cables as shown. The tension in the cable making angle θ with horizontal will be the minimum when the value of θ is
1901690_3040c7a5a6d747a79058536ecad022bf.png

A
0
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B
30
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C
60
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D
None of these
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Solution

The correct option is B 60
wsin(18060θ)=T2sin(90+60)
wsin(120θ)=T2sin(150)
For T2 to be minimum
sin(120θ) max.
sinθismaximumat60 so for this θ=60

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