G-Forces Ocean Motion, Large Washer thru Small Hole, Plants that Eat Animals, Floating Cork, Avalanche, Speaking Computer, Star Trails, CO2 Extinguisher. At an amusement park Stacey and Mr. Wizard discuss how she feels while on a ride that is, in effect, a giant swing. Mr. Wizard explains G-forces as it relates to airplane pilots in dives. He explains G-Force & Ocean Motion.