Home
Class 11
PHYSICS
A simple pendulum of length l and mass m...

A simple pendulum of length `l` and mass `m` is initially at its lowest position. It is given the minimum horizontal speed necessary after to move in a circular path about the point of suspension. The tension in the string at the lowest positive of the bob is

A

`3mg`

B

`4mg`

C

`5mg`

D

`6mg`

Text Solution

Verified by Experts

The correct Answer is:
D

`T-mg=(mu^(2))/(R)=(m(sqrt(5gR))^(2))/(R)`
:. `T=6mg`
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    DC PANDEY|Exercise Level 1 Subjective|13 Videos

  • CIRCULAR MOTION

    DC PANDEY|Exercise Level 2 Single Correct|18 Videos

  • CIRCULAR MOTION

    DC PANDEY|Exercise Assertion And Reason|28 Videos

  • CENTRE OF MASS, LINEAR MOMENTUM AND COLLISION

    DC PANDEY|Exercise Level 2 Subjective|21 Videos

  • COMMUNICATION SYSTEM

    DC PANDEY|Exercise Only One Option is Correct|27 Videos