An object of constant mass m m\,m moves in a circular path at a constant speed. Which of the following physical quantities associated with the object remains constant during this motion?
I. Velocity II. Kinetic energy III. Momentum
I and II only
II only
II and III only
I, II and III
204 exam-style questions on CIE IGCSE Physics Motion, covering Motion. Each one has a worked solution and a mark scheme showing where the marks go.