Drag on sphere video (VIDEO) Brown University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Drag forces on partially submerged objects can be three or four times greater than on fully submerged objects. The sphere coated with superhydrophobic material, making it very repellent to water, encountered more drag than the less water repellant spheres. Graph courtesy of the Harris Lab. Credit Harris Lab Usage Restrictions Credit must be given to the creator. License CC BY 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.