The discussion revolves around the proper unit for momentum in physics, specifically questioning whether kg·m/s is the correct unit and if it can also be expressed as kg·m/s².
The conversation includes affirmations of kg·m/s as the correct unit for momentum, while there is an ongoing exploration of the implications of using kg·m/s², which is identified as a unit of force. Participants are engaging in clarifying the definitions and relationships between these units.
There is a mention of a merged thread, indicating that similar questions may have been raised previously, which could affect the flow of the discussion.