The trajectory of a ball thrown with sidespin follows a regular curve due to the Magnus effect. The dashed line shows the illusion seen by the players on
the field.
Source: Human Movement in a Fluid Medium, Basic Biomechanics, 7e
Citation: Hall SJ. Basic Biomechanics, 7e; 2015 Available at: http://mhmedical.com/ Accessed: July 28, 2017
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