A body can have constant velocity when it follows a_____________?
Correct answer: D. Rectilinear path
- A. Elliptical path
- B. Circular path
- C. Parabolic path
- D. Rectilinear path
Explanation
Constant velocity requires both constant speed and constant direction. A rectilinear path keeps the direction unchanged, whereas circular, elliptical, and parabolic paths continuously change direction. The likely mistake is choosing the circular path because its speed may be constant, while its velocity is not.
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