Which of the following is an example of a non-contact force?

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Multiple Choice

Which of the following is an example of a non-contact force?

Explanation:
A non-contact force can act without touching the other object. Gravity fits this: Earth’s gravity pulls on you even when you’re not in direct contact with Earth—it's a force that acts through space and depends on mass and distance. The other options require contact: friction only arises when surfaces touch, the normal force is the push from a surface in contact, and tension acts through a rope and on objects at its ends, which involves contact through the rope. So gravity is the clear example of a non-contact force.

A non-contact force can act without touching the other object. Gravity fits this: Earth’s gravity pulls on you even when you’re not in direct contact with Earth—it's a force that acts through space and depends on mass and distance. The other options require contact: friction only arises when surfaces touch, the normal force is the push from a surface in contact, and tension acts through a rope and on objects at its ends, which involves contact through the rope. So gravity is the clear example of a non-contact force.

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