Which force acts toward the centre of the Earth?

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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

Which force acts toward the centre of the Earth?

Explanation:
Gravitation pulls every mass toward the center of the Earth, so near the surface the direction is straight downward toward Earth’s center. This is the force you feel as weight and what makes objects fall when released. Buoyancy pushes upward because of fluid pressure, not toward the center. Friction acts along surfaces to resist motion and can point in different directions, not fixed toward the center. The normal support force from a surface points perpendicular to that surface, usually away from it, again not toward the center. So the force that acts toward the centre of the Earth is gravity.

Gravitation pulls every mass toward the center of the Earth, so near the surface the direction is straight downward toward Earth’s center. This is the force you feel as weight and what makes objects fall when released. Buoyancy pushes upward because of fluid pressure, not toward the center. Friction acts along surfaces to resist motion and can point in different directions, not fixed toward the center. The normal support force from a surface points perpendicular to that surface, usually away from it, again not toward the center. So the force that acts toward the centre of the Earth is gravity.

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