Confirm whether radius is 300mm or not if the tension is 5N

[Josielle Abdilla]

Homework Statement

A simple pendulum, suspended from a fixed point cosnits of a light cord of length 500mm and a bob of wieght 2N . The bob is made up to move in a hotizontal path. If the max tension is 4N show whether or not it is possible for the radius of the path of the bob to be 300mm

2.Attempt
I tried to first find the angle the thread makes to the vertical, by knowing one side and an angle one can find the other side using trigonometry. If it is 300N then the radius is ought to be as given at a tension of 5N
If you guys come up with any ideas about this problem, feel free to share them with me.

 

[haruspex]

Homework Statement

A simple pendulum, suspended from a fixed point cosnits of a light cord of length 500mm and a bob of wieght 2N . The bob is made up to move in a hotizontal path. If the max tension is 4N show whether or not it is possible for the radius of the path of the bob to be 300mm

2.Attempt
I tried to first find the angle the thread makes to the vertical, by knowing one side and an angle one can find the other side using trigonometry. If it is 300N then the radius is ought to be as given at a tension of 5N
If you guys come up with any ideas about this problem, feel free to share them with me.

What forces act on the bob? Did you draw a Free Body Diagram?

 

[Josielle Abdilla]

Yes, I did draw one, the only forces that act are tension and a centripetal force

 

[haruspex]

Yes, I did draw one, the only forces that act are tension and a centripetal force

Centripetal force does not act. It results from the forces that do act. Specifically, it is that component of the resultant, of all the forces which do act, that is normal to the velocity.
But there is one more force which does act. This set-up is not in space.