QJEEM23Ph1906: JEE Main 2023 Physics - Class 12 JEEM23Ph1906 Solution: A block of is attached to a string whose other end is attached…

Question

Verified Solution • 2025–26 Session moderate

A block of

\sqrt{3} \mathrm{~kg}

is attached to a string whose other end is attached to the wall. An unknown force

\mathrm{F}

is applied so that the string makes an angle of

30^{\circ}

with the wall. The tension

\mathrm{T}

is: (Given

\mathrm{g}=10 \mathrm{~ms}^{-2}

)

Accepted Answer

Drawing the FBD of the point where $F$ is applied

JEE Main 2023 (Online) 30th January Evening Shift Physics - Laws of Motion Question 36 English Explanation

$T' = \sqrt 3 g$

$\Rightarrow T\cos 30^\circ = \sqrt 3 g$

$\Rightarrow T = 2g = 20$ N

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