Which of the following is not a non-contact force?
2025
Which of the following is not a non-contact force?
- A.
Magnetic force
- B.
Electrostatic force
- C.
Gravitational force
- D.
Muscular force
- E.
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Correct answer: D
Muscular force requires physical contact between objects to act, making it a contact force. Magnetic, electrostatic, and gravitational forces can act over distances without direct contact.