(B) In a vertical circular motion,the tension $T$ in the string at any angle $\theta$ from the lowest point is given by $T = mg \cos \theta + \frac{mv

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

When the mass is at the lowest point of the circle

(B) In a vertical circular motion,the tension $T$ in the string at any angle $\theta$ from the lowest point is given by $T = mg \cos \theta + \frac{mv^2}{r}$.At the lowest point,$\theta = 0^\circ$,so $\cos 0^\circ = 1$,and the velocity $v$ is maximum. Thus,the tension $T$ is maximum at the lowest point.Since the tension is maximum at the lowest point,the wire is most likely to break at this position.

Class 11 Physics Work, Energy and Power Vertical Circular Motion

Medium

$A$ heavy mass is attached to a thin wire and is whirled in a vertical circle. The wire is most likely to break:

A
When the mass is at the highest point of the circle
B
When the mass is at the lowest point of the circle
C
When the wire is horizontal
D
At an angle of $\cos^{-1}(1/3)$ from the upward vertical

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Physics Questions

Chapter

Work, Energy and Power

Subtopic

Vertical Circular Motion

$A$ body attached to one end of a string performs motion along a vertical circle. Its centripetal acceleration,when the string is horizontal,will be [ $g$ = acceleration due to gravity]

EasyMHT CET 2021

View Solution

$A$ body of mass $m$ is tied to a string of length $l$ and rotated in a vertical circle. What is the difference in tension between the lowest point and the highest point (in $,mg$)?

Medium

View Solution

$A$ particle of mass $200 \,g$ is moving in a circle of radius $2 \,m$. The particle is just 'looping the loop'. What are the speed of the particle and the tension in the string at the highest point of the circular path? (Take $g = 10 \,m/s^2$)

Medium

View Solution

$A$ bullet of mass $m$ moving with velocity $v$ passes through a pendulum bob of mass $M$ and emerges with a velocity $v/2$. What is the minimum value of $v$ so that the pendulum bob completes a full vertical circle of length $\ell$?

Medium

View Solution

$A$ block of mass $m$ at the end of a string is whirled round in a vertical circle of radius $R$. The critical speed of the block at the top of its swing below which the string would slacken before the block reaches the top is

Easy

View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo

$A$ heavy mass is attached to a thin wire and is whirled in a vertical circle. The wire is most likely to break:

Similar Questions

$A$ body attached to one end of a string performs motion along a vertical circle. Its centripetal acceleration,when the string is horizontal,will be [ $g$ = acceleration due to gravity]

$A$ body of mass $m$ is tied to a string of length $l$ and rotated in a vertical circle. What is the difference in tension between the lowest point and the highest point (in $,mg$)?

$A$ particle of mass $200 \,g$ is moving in a circle of radius $2 \,m$. The particle is just 'looping the loop'. What are the speed of the particle and the tension in the string at the highest point of the circular path? (Take $g = 10 \,m/s^2$)

$A$ bullet of mass $m$ moving with velocity $v$ passes through a pendulum bob of mass $M$ and emerges with a velocity $v/2$. What is the minimum value of $v$ so that the pendulum bob completes a full vertical circle of length $\ell$?

$A$ block of mass $m$ at the end of a string is whirled round in a vertical circle of radius $R$. The critical speed of the block at the top of its swing below which the string would slacken before the block reaches the top is

Vedclass Test Series

Exam Paper Generator

Online Exam Module