Forces on sails apart, which generally prevents heeling. Each sailing craft is a system that mobilizes wind force through its sails—supported by spars and rigging—which provide motive power and reactive force from the underbody of a sailboat—including the keel, centerboard, rudder or other underwater foils—or the running gear of an ice boat or land craft, which allows it to be kept on a course. Without the ability to mobilize reactive forces in directions different from the wind direction, a craft would simply be adrift before the wind. Accordingly, motive and heeling forces on sailing craft are either "components of" or "reactions to" the
1975–76 San Diego Sails season holding Portland's Bill Walton to 6 points and 11 rebounds, but Portland won 98-85. Despite the Sails' loss the ABA won 31 games against the NBA in that preseason, compared to 17 wins for the NBA. The ABA opened its 1975-76 season on October 24, 1975, and on that night the Sails hosted the Denver Nuggets before 3,060 fans. Denver's Ralph Simpson led all scorers with 30 points and Denver won 120-108. The next night the Sails began a long road swing by earning their first win in franchise history with a road victory against the Utah Stars. Bo Lamar