Concept explainers
How do you throw a football so that it spins about its long axis when traveling through the air?
To Explain: The way to throw a football such that it spins around its long axis.
Explanation of Solution
Introduction:
The gyroscope couple works on the principle of conservation of momentum which helps to provide the three-dimensional rotational motion to the object.
When the football is thrown upward with a tilt in its long axis, this forms a gyroscopic couple between the gravity acting and drag force of air resistance. This causes the spinning motion of the football.
Conclusion:
Thus, when the football is thrown upward with a tilt in its long axis to get a spin.
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