本题目来源于试卷: gc physics textbook chapter 3 problems，类别为 IB物理学
[填空题]
Can a particle with constant speed be accelerating? What if it has constant velocity?
参考答案: 空格1: no
空格2: yes
本题详细解析:
A particle with constant speed can be accelerating, if its direction is changing. Driving on a curved roadway at constant speed would be an example. However, a particle with constant velocity cannot be accelerating – its acceleration must be zero. It has both constant speed and constant direction.
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