Question detail
A car travels at a constant speed of 60 km/h around a circular track. Describe how the velocity of the car changes as it moves.
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
A car travels at a constant speed of 60 km/h around a circular track. Describe how the velocity of the car changes as it moves.
Answer
As the car travels around the circular track, its speed remains constant at 60 km/h, but its velocity changes continuously because the direction of the car is constantly changing.
Explanation
This question assesses the student's ability to apply the concept of velocity in a real-world scenario. It reinforces the understanding that constant speed does not imply constant velocity due to directional changes.
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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