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Which of the following statements are correct about the force of friction? 1. It acts on all moving objects. 2. It opposes the relative motion between two objects in contact with each other. 3. It is a contact force. |
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Answer» Which of the following statements are correct about the force of friction? 1. It acts on all moving objects. 2. It opposes the relative motion between two objects in contact with each other. 3. It is a contact force. |
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