Molly moves from sit to stand and raises her arms over her head to reach for a toy on the top shelf. Which statement describes how she has changed her center of mass and balance?
A) Raised her center of mass, resulting in less stable balance
B) Raised her center of mass, resulting in more stable balance
C) Decreased her center of mass, resulting in less stable balance
D) Decreased her center of mass, resulting in more stable balance

Question

Quizplus · Accepted Answer

When Molly stands and raises her arms over her head, her center of mass is raised, making her balance less stable because the higher the center of mass, the more effort it takes to maintain balance.

Molly Moves from Sit to Stand and Raises Her Arms