A bird is sitting on horizontal stretched telephone wires. If its weight is W then the additional tension produced by it in the wires for angle less than 30⁰
will be

T = W

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T > W

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T < W

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T = 0

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Solution

The correct option is B T > W
For equilibrium $2 T s i n θ = W$
$T = \frac{W}{2 s i n θ}$
$θ$ lies between $0 t o 30^{\circ} i . e . s i n θ < \frac{1}{2}$
$∴ T > W$

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A bird is sitting on horizontal stretched telephone wires. If its weight is W then the additional tension produced by it in the wires for angle less than 300 will be

The correct option is B T > WFor equilibrium 2T sin θ=W T=W2 sin θ θ lies between 0 to 30∘ i.e. sin θ <12 ∴T>W

A bird is sitting on horizontal stretched telephone wires. If its weight is W then the additional tension produced by it in the wires for angle less than 30⁰
will be

The correct option is B T > W
For equilibrium $2 T s i n θ = W$
$T = \frac{W}{2 s i n θ}$
$θ$ lies between $0 t o 30^{\circ} i . e . s i n θ < \frac{1}{2}$
$∴ T > W$