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

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A Friction force acting on a moving car
B Muscular force used to lift a school bag
C Magnetic force attracting iron filings
D Tension in a stretched string

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Answer: C. Magnetic force attracting iron filings

Non-contact forces act at a distance without physical contact. Magnetic force, gravitational force, and electrostatic force are non-contact forces. Friction, muscular force, and tension are contact forces.

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

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