Solving Tension in Simple Pendulum at Centre Point

AI Thread Summary
In a simple pendulum at its center point, the tension in the string must account for both the weight of the mass and the centripetal acceleration required for circular motion. The tension is greater than the gravitational force (mg) because it must provide additional force for the pendulum's acceleration. There was some confusion in the discussion regarding the correct interpretation of tension, with participants affirming that it must exceed mg. The conversation also included a light-hearted exchange about the term "aldrino," which was clarified as a spelling mistake. Understanding the dynamics of tension in pendulum motion is crucial for solving related physics problems.
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Homework Statement


A simple pendulum is oscillating. When it is at the centre, what is the value of tension in string?

Homework Equations


The tension= The weight= mg


The Attempt at a Solution



Am i right? Please help!
 
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Of course it is. :) You are damn right!
 
No, you are NOT correct.
At all times, the tension must provide the CENTRIPETAL ACCELERATION of the attached mass as well.
 
Gyroscope said:
Of course it is. :) You are damn right!
aldrino has a solid point! :)
 
Last edited:
arildno said:
No, you are NOT correct.
At all times, the tension must provide the CENTRIPETAL ACCELERATION of the attached mass as well.

oh yes. as well as the acceleration due to gravity. isn't it? now the force must be greater than mg.
 
Quite so! :smile:
 
arildno said:
Quite so! :smile:

Thanks a lot!
 
I'm not an aldrino. Please, I hate aldrinos. :frown:
 
arildno said:
I'm not an aldrino. Please, I hate aldrinos. :frown:

Oh! I am sorry. just a spelling mistake. Who are aldrinos, by the way?
 

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