G-force
noun [ C or U ] uk/ˈdʒiːˌfɔːs/ us/ˈdʒiːˌfɔːrs/
G力(快速前进时感觉向后推的力量)
a force that causes a feeling of pressure pushing you backwards, when you are moving very quickly forwards
They investigated whether people riding on roller coasters could experience injuries as a result of G-force. 他们对玩过山车的人是否会因为G力而受伤进行了调查。