What increases stability?

• A. Wider BOS
• B. Narrower BOS
• C. Higher center of gravity
• D. Faster movement

Answer: (A)

Stability comes from how big the base of support is and how low your weight sits relative to that base. A wider base of support enlarges the support area, so the projection of your center of gravity can stay within the base even when you sway a bit or experience a perturbation. That means you’re less likely to tip over and you can recover more easily from small pushes. In contrast, a higher center of gravity makes tipping easier because the line from your center of gravity to the ground moves closer to the edge of your base, reducing the margin before you lose balance. Faster movement isn’t inherently stabilizing—momentum can make you harder to control and increase the chance of losing balance. So widening the base of support is the best way to increase stability.