Final answer:
Giving a spin to a football or a rifle bullet provides an advantage in terms of angular momentum, as it creates gyroscopic stability and improves accuracy and trajectory.
Step-by-step explanation:
In terms of angular momentum, giving a football or a rifle bullet a spin when throwing or releasing it provides an advantage because of the gyroscopic stability it creates. Gyroscopic stability is the tendency of a spinning object to maintain its orientation in space. This stability helps to improve the accuracy and trajectory of the throw or release.
For example, when a football is thrown with a spin, the gyroscopic stability created by the spin helps the ball to maintain a more stable and predictable flight path. Similarly, when a rifle bullet is given a spin, it experiences less drag and turbulence, allowing it to travel farther and more accurately.
Overall, the advantage of giving a spin to the last throw, also known as the hammer throw, is that it enhances the stability and accuracy of the object being thrown, leading to better performance.