The force that stops you from falling through the floor and is acting upwards.

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Prepare for the Year 10 Force and Motion Test. Utilize flashcards and multiple-choice questions with clear hints and explanations to ensure success. Equip yourself for excellence on your exam!

Multiple Choice

The force that stops you from falling through the floor and is acting upwards.

Explanation:
When you stand, the floor must push back on you to support your weight. This upward push is the support (often called the normal) force exerted by the floor on your feet. It acts perpendicular to the surface and, if you’re at rest, balances gravity so you don’t sink through the floor. Buoyancy would only matter in a fluid, friction acts along the surface and isn’t what prevents vertical sinking, and gravity pulls downward. So the upward floor force that stops you from falling through is the support force.

When you stand, the floor must push back on you to support your weight. This upward push is the support (often called the normal) force exerted by the floor on your feet. It acts perpendicular to the surface and, if you’re at rest, balances gravity so you don’t sink through the floor. Buoyancy would only matter in a fluid, friction acts along the surface and isn’t what prevents vertical sinking, and gravity pulls downward. So the upward floor force that stops you from falling through is the support force.

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