![Interesting Balloon Behaviour](https://hight3ch.com/wp-content/uploads/2014/06/clnfvcyieiui7ez0agcm.png)
We all know that a hanging pendulum will swing backwards in an accelerating vehicle, but what happens when a helium balloon vs. a regular air filled balloon are tethered to the inside of an accelerating vehicle?
We all know that a hanging pendulum will swing backwards in an accelerating vehicle, but what happens when a helium balloon vs. a regular air filled balloon are tethered to the inside of an accelerating vehicle?