Question detail
Explain why the velocity of an object can change even if its speed remains constant.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Forces and motion
Question
Explain why the velocity of an object can change even if its speed remains constant.
Answer
Velocity is a vector quantity that includes both speed and direction. Therefore, if an object changes direction while maintaining the same speed, its velocity changes because the direction component of velocity has changed.
Explanation
This question tests the understanding of the distinction between speed and velocity, emphasizing that velocity is dependent on direction. It requires students to apply their knowledge of vector quantities in physics.
Common mistake
Confusing Speed and Velocity
Students often think speed and velocity are the same, leading to confusion when direction changes.
Emphasize that speed is a scalar quantity (only magnitude) while velocity is a vector quantity (magnitude and direction).
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