WAEC Physics 2014 Objective — Question 5
Question 5 of 50 from the West African Examinations Council (WAEC) Physics 2014 Objective paper, with the correct answer and a full explanation.
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Which of the velocity-time graphs below correctly describes the motion of a body pulled by a force that is equal to the frictional force acting on it?
- A. Graph A
- B. Graph B
- C. Graph CCorrect
- D. Graph D
Explanation
When the applied force equals the frictional force, the net force is zero, so the body moves at constant velocity — represented by a horizontal straight line (graph C).
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