WAEC Physics 2021 Objective — Question 20
Question 20 of 50 from the West African Examinations Council (WAEC) Physics 2021 Objective paper, with the correct answer and a full explanation.
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20. A ball is swung in a horizontal circle of centre O with a constant speed. What is the direction of its acceleration?
- A. Away from O
- B. Along the circumference of the circle
- C. Toward OCorrect
- D. Along a tangent to the circle
Explanation
Circular motion at constant speed has centripetal acceleration directed toward the centre, O.
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