A force is classified as a contact force when it
Aacts only on charged bodies
Brequires direct contact between two bodies
Calways acts downward
Dacts only over very large distances
Answer & Solution
Correct answer: B. requires direct contact between two bodies
A contact force arises due to direct contact between bodies. Normal force, friction, and a hand push are standard examples. It is not defined by direction or by whether the bodies are charged.
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