Which of the following statements is false?

1)The velocity of an object can change while maintaining a constant speed.
2)An object that maintains a constant speed must have zero acceleration.
3)An object that has a non-zero acceleration must have a changing velocity.
4)The speed of an object can change without the direction of its velocity vector changing.

3 answers

Why would any be false?
The homework says 3 out of 4 are correct. With 1 being false so that means one of these have to be false.
Are you in University Physics to Lexi? And yeah the homework states that there is one of the statements that is false for the answer choice.