Participant with a Wheel (IMAGE) Arizona State University Caption The task was to adjust the position of the weights so that the wheel rolled to the bottom of the ramp as quickly as possible. Credit Maxime Derex Usage Restrictions Image for use in illustrating articles about this research only. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.