WAEC Physics 2024 Objective — Question 9
Question 9 of 50 from the West African Examinations Council (WAEC) Physics 2024 Objective paper, with the correct answer and a full explanation.
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9. A body moves with uniform velocity when the resultant force on it is A.
- A. greater than the frictional force acting on it.
- B. less than the frictional force acting on it.
- C. equal to zero.Correct
- D. equal to the frictional force acting on it.
Explanation
When a body moves with uniform velocity, it means there is no acceleration (the acceleration is zero). Since F=ma, if a=0, then F=0. Thus, for a body to move at uniform velocity, the net/resultant force on the body must be equal to zero.
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