Explain that a
change in body position during sporting activities can change the position of
the center of mass.
The center of mass is the
mathematical point around which the mass of a body or object is evenly
distributed. The center of mass can change during a sporting activity. For
example, when doing the high jump, the center of mass changes from being inside
the body when the person is taking their approach. However as they are going
over the bar, the mathematical point around which their mass is evenly
distributed is outside their body and travels under the bar while they travel
over the bar.
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