Which of the following statements about solid friction is/are correct? I. Friction depends on the...
PHYSICS
WAEC 1992
Which of the following statements about solid friction is/are correct? I. Friction depends on the nature of the surfaces in contact II. Friction depends on the area of contact III. Friction always acts in the direction of motion.
- A. I only
- B. II only
- C. III only
- D. I and II only
Correct Answer: A. I only
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