Why don't the passengers fall out when a rollercoaster goes upside down?
Question asked by: pnewble
Asked on: 02 Nov 2008
Two reasons. First there is a safety barrier to keep them in their seats and prevent them from moving.
Second is gravity - they tend to be accelerating downwards fast, this has the effect of pushing them up into their seats due to the opposite-and-equal reaction effect.
By: knowitall
Replied at: 02 Nov 2008
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