TASK
If a tennis ball and a soccer ball were both on the ground which would require a larger force to move? Why? If both the tennis ball and the soccer ball were travelling towards you at the same velocity, which would you rather stop and why?
Why doesn’t the planet earth move when you apply ground reactive force (GRF) when jumping?
What is linear motion? Provide an example of linear motion in sport or physical activity.
What is angular motion? What is another name for angular motion? Provide one example of angular motion in sport and physical activity that uses an internal axis and one that uses an external axis.
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