JAMB Physics 2015 Objective — Question 45
Question 45 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2015 Objective paper, with the correct answer and a full explanation.
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Which of the following does NOT affect frictional force?
- A. The relative velocity of the surfaces in contact
- B. The colour of the surfacesCorrect
- C. The area of contact of the given surfaces
- D. The nature of the surfaces in contact
Explanation
Frictional force depends on the nature of the surfaces and normal force, not their colour.
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