A flexible chain of mass m hangs... | Laws of Motion | JEE Main 2026

Competishun Header

JEE MAIN 2026

24-1-2026 S2

Question

A flexible chain of mass m hangs between two fixed points at the same level. The inclination of the chain with the horizontal at the two points of support is 30º. Considering the equilibrium of each half of the chain, the tension of the chain at the lowest point is .

Select the correct option:

A

$\frac{\sqrt{3}}{2} m g$

B

$\frac{1}{2} m g$

C

mg

D

$\sqrt{3} \mathrm{mg}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Medium

Start Preparing for JEE with Competishun

Video Solution

BY competishun

Watch Solution

YouTube

Filters 0

Showing 18 questions

QJEE Main 20242024

The number of real solutions of the equation $x|x+5|+2|x+7|-2=0$ is $\_\_\_\_$ .

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let a line perpendicular to the line $2 x-y=10$ touch the parabola $y^2=4(x-9)$ at the point $P$. The distance of...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let the maximum and minimum values of $\left(\sqrt{8 x-x^2-12}-4\right)^2+(x-7)^2, x \in R$ be $M$ and $m$ respectively. Then $\mathrm{M}^2-\mathrm{m}^2$ is...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let a>0 be a root of the equation $2 \mathrm{x}^2+\mathrm{x}-2=0$. If $\lim _{x \rightarrow \frac{1}{a}} \frac{16\left(1-\cos \left(2+x-2 x^2\right)\right)}{\left(1-a x^2\right)}=\alpha+\beta \sqrt{17}$,...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

If $1+\frac{\sqrt{3}-\sqrt{2}}{2 \sqrt{3}}+\frac{5-2 \sqrt{6}}{18}+\frac{9 \sqrt{3}-11 \sqrt{2}}{36 \sqrt{3}}+\frac{49-20 \sqrt{6}}{180}+\cdots$. upto $\infty=2\left(\sqrt{\frac{b}{a}}+1\right) \log _e\left(\frac{a}{b}\right)$, where a and b are integers with $...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let the point $(-1, \alpha, \beta)$ lie on the line of the shortest distance between the lines $\frac{x+2}{-3}=\frac{y-2}{4}=\frac{z-5}{2}$ and $\frac{x+2}{-1}=\frac{y+6}{2}=\frac{z-1}{0}$....

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

The number of solutions of $\sin ^2 x+\left(2+2 x-x^2\right) \sin x-3(x-1)^2=0$, where $-\pi \leq \mathrm{x} \leq \pi$, is $\_\_\_\_$ .

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let $y=y(x)$ be the solution of the differential equation $\frac{d y}{d x}+\frac{2 x}{\left(1+x^2\right)^2} y=x e^{\frac{1}{\left(1+x^2\right)}} ; y(0)=0$. Then the area...

JEE MainChemistryEasy

View Solution→

QJEE Main 20242024

If $y(\theta)=\frac{2 \cos \theta+\cos 2 \theta}{\cos 3 \theta+4 \cos 2 \theta+5 \cos \theta+2}$, then at $\theta=\frac{\pi}{2}, y^{\prime \prime}+y^{\prime}+y$ is equal...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let $\alpha \beta \neq 0$ and $...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let $\beta(m, n)=\int_0^1 x^{m-1}(1-x)^{n-1} d x, m, n>0$. If $\int_0^1\left(1-x^{10}\right)^{20} d x=a \times \beta(b, c)$, then $100(a+b+x)$ equals

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let ABCD and AEFG be squares of side 4 and 2 units, respectively. The point E is on the line...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

The coefficients $a, b, c$ in the quadratic equation $a x^2+b x+c=0$ are from the set $\{1,2,3,4,5,6\}$. If the probability...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

The values of $m, n$, for which the system of equations
$...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let the set $S=\{2,4,8,16, \ldots, 512\}$ be partitioned into 3 sets $\mathrm{A}, \mathrm{B}, \mathrm{C}$ with equal number of elements such...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let the circle $C_1: x^2+y^2-2(x+y)+1=0$ and $C_2$ be a circle having centre at $(-1,0)$ and radius 2 . If the...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

Let $f, \mathrm{~g}: \mathrm{R} \rightarrow \mathrm{R}$ be defined as : $f(\mathrm{x})=|\mathrm{x}-1|$ and $...

JEE MainMathematicsEasy

View Solution→

QJEE Main 20242024

If the constant term in the expansion of $\left(\frac{\sqrt[5]{3}}{x}+\frac{2 x}{\sqrt[3]{5}}\right)^{12}, x \neq 0$, is $\alpha \times 2^8 \times \sqrt[5]{3}$, then...

JEE MainMathematicsEasy

View Solution→